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[apops] Weekly Routing Table Report



This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz@gmail.com>.

Routing Table Report   04:00 +10GMT Sat 31 Mar, 2018

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              692170
    Prefixes after maximum aggregation (per Origin AS):          267487
    Deaggregation factor:                                          2.59
    Unique aggregates announced (without unneeded subnets):      333579
Total ASes present in the Internet Routing Table:                 60264
    Prefixes per ASN:                                             11.49
Origin-only ASes present in the Internet Routing Table:           52065
Origin ASes announcing only one prefix:                           22789
Transit ASes present in the Internet Routing Table:                8199
Transit-only ASes present in the Internet Routing Table:            262
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 22394)                              37
Prefixes from unregistered ASNs in the Routing Table:                44
    Number of instances of unregistered ASNs:                        44
Number of 32-bit ASNs allocated by the RIRs:                      22003
Number of 32-bit ASNs visible in the Routing Table:               17722
Prefixes from 32-bit ASNs in the Routing Table:                   73797
Number of bogon 32-bit ASNs visible in the Routing Table:            13
Special use prefixes present in the Routing Table:                    3
Prefixes being announced from unallocated address space:            295
Number of addresses announced to Internet:                   2857155394
    Equivalent to 170 /8s, 76 /16s and 187 /24s
    Percentage of available address space announced:               77.2
    Percentage of allocated address space announced:               77.2
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.9
Total number of prefixes smaller than registry allocations:      230623

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   189779
    Total APNIC prefixes after maximum aggregation:               53876
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          188701
    Unique aggregates announced from the APNIC address blocks:    77097
APNIC Region origin ASes present in the Internet Routing Table:    8739
    APNIC Prefixes per ASN:                                       21.59
APNIC Region origin ASes announcing only one prefix:               2464
APNIC Region transit ASes present in the Internet Routing Table:   1287
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3665
Number of APNIC addresses announced to Internet:              767373154
    Equivalent to 45 /8s, 189 /16s and 47 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-137529
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    206257
    Total ARIN prefixes after maximum aggregation:                98744
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           206949
    Unique aggregates announced from the ARIN address blocks:     97769
ARIN Region origin ASes present in the Internet Routing Table:    18130
    ARIN Prefixes per ASN:                                        11.41
ARIN Region origin ASes announcing only one prefix:                6709
ARIN Region transit ASes present in the Internet Routing Table:    1807
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          40
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2334
Number of ARIN addresses announced to Internet:              1104557184
    Equivalent to 65 /8s, 214 /16s and 52 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-397212
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    188296
    Total RIPE prefixes after maximum aggregation:                91199
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           184577
    Unique aggregates announced from the RIPE address blocks:    110233
RIPE Region origin ASes present in the Internet Routing Table:    25023
    RIPE Prefixes per ASN:                                         7.38
RIPE Region origin ASes announcing only one prefix:               11348
RIPE Region transit ASes present in the Internet Routing Table:    3489
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6824
Number of RIPE addresses announced to Internet:               715842688
    Equivalent to 42 /8s, 170 /16s and 228 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-207259
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   89312
    Total LACNIC prefixes after maximum aggregation:              19652
    LACNIC Deaggregation factor:                                   4.54
Prefixes being announced from the LACNIC address blocks:          90700
    Unique aggregates announced from the LACNIC address blocks:   40695
LACNIC Region origin ASes present in the Internet Routing Table:   6968
    LACNIC Prefixes per ASN:                                      13.02
LACNIC Region origin ASes announcing only one prefix:              1898
LACNIC Region transit ASes present in the Internet Routing Table:  1294
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4499
Number of LACNIC addresses announced to Internet:             172487904
    Equivalent to 10 /8s, 71 /16s and 244 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  18480
    Total AfriNIC prefixes after maximum aggregation:              3976
    AfriNIC Deaggregation factor:                                  4.65
Prefixes being announced from the AfriNIC address blocks:         20948
    Unique aggregates announced from the AfriNIC address blocks:   7549
AfriNIC Region origin ASes present in the Internet Routing Table:  1117
    AfriNIC Prefixes per ASN:                                     18.75
AfriNIC Region origin ASes announcing only one prefix:              369
AfriNIC Region transit ASes present in the Internet Routing Table:  228
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  400
Number of AfriNIC addresses announced to Internet:             96509184
    Equivalent to 5 /8s, 192 /16s and 157 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5416       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         3709        410     426  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2849      11131     780  KIXS-AS-KR Korea Telecom, KR
  9829         2808       1499     542  BSNL-NIB National Internet Backbone, IN
  7552         2674       1158      62  VIETEL-AS-AP Viettel Group, VN
  9394         2638       4923      29  CTTNET China TieTong Telecommunications
 45899         2546       1569     165  VNPT-AS-VN VNPT Corp, VN
 17974         2315        930      80  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2164       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2086        417     216  TATACOMM-AS TATA Communications formerl

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  6327         3375       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3290       2988     150  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2167        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2092       2484     447  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2019       4372     670  AMAZON-02 - Amazon.com, Inc., US
 30036         1947        341     181  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1920       5070     606  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 11492         1778        228     556  CABLEONE - CABLE ONE, INC., US
  7018         1701      20189    1254  ATT-INTERNET4 - AT&T Services, Inc., US
 16625         1695        825    1213  AKAMAI-AS - Akamai Technologies, Inc., 

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 12479         3974       1504     540  UNI2-AS, ES
 39891         3522        203      20  ALJAWWALSTC-AS, SA
 20940         2751        778    2008  AKAMAI-ASN1, US
  8551         2093        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2039       1859     706  ROSTELECOM-AS, RU
 34984         2020        334     481  TELLCOM-AS, TR
  9121         1953       1692      19  TTNET, TR
 13188         1606        100      46  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1228        544      14  CORBINA-AS OJSC "Vimpelcom", RU

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  8151         4325       3385     575  Uninet S.A. de C.V., MX
 10620         3599        540     261  Telmex Colombia S.A., CO
 11830         2639        369      85  Instituto Costarricense de Electricidad
  6503         1629        437      53  Axtel, S.A.B. de C.V., MX
  7303         1508       1022     191  Telecom Argentina S.A., AR
 28573         1033       2253     175  CLARO S.A., BR
  6147         1010        377      27  Telefonica del Peru S.A.A., PE
  3816         1006        506     120  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          928        126      84  Alestra, S. de R.L. de C.V., MX
 18881          908       1074      29  TELEFÔNICA BRASIL S.A, BR

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 24863         1150        397      49  LINKdotNET-AS, EG
 37611          821        107       9  Afrihost, ZA
 36903          741        372     137  MT-MPLS, MA
 36992          707       1396      40  ETISALAT-MISR, EG
 24835          637        850      15  RAYA-AS, EG
  8452          625       1730      18  TE-AS TE-AS, EG
 29571          466         68      12  ORANGE-COTE-IVOIRE, CI
 37492          450        376      81  ORANGE-, TN
 15399          362         35       7  WANANCHI-, KE
 37342          361         32       1  MOVITEL, MZ

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5416       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         4325       3385     575  Uninet S.A. de C.V., MX
 12479         3974       1504     540  UNI2-AS, ES
  7545         3709        410     426  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3599        540     261  Telmex Colombia S.A., CO
 39891         3522        203      20  ALJAWWALSTC-AS, SA
  6327         3375       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3290       2988     150  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2849      11131     780  KIXS-AS-KR Korea Telecom, KR
  9829         2808       1499     542  BSNL-NIB National Internet Backbone, IN

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
  8151       4325         3750   Uninet S.A. de C.V., MX
 39891       3522         3502   ALJAWWALSTC-AS, SA
 12479       3974         3434   UNI2-AS, ES
 10620       3599         3338   Telmex Colombia S.A., CO
  6327       3375         3289   SHAW - Shaw Communications Inc., CA
  7545       3709         3283   TPG-INTERNET-AP TPG Telecom Limited, AU
 22773       3290         3140   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2674         2612   VIETEL-AS-AP Viettel Group, VN
  9394       2638         2609   CTTNET China TieTong Telecommunications Corpora
 11830       2639         2554   Instituto Costarricense de Electricidad y Telec

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
  65537   DOCUMENT     62.162.120.0/24       6821       MT-AS-OWN bul. Orce Nikolov bb
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  65024   PRIVATE      87.103.234.0/24      39407       CHITATELECOM-AS, RU
  65024   PRIVATE      95.189.78.0/24       39407       CHITATELECOM-AS, RU
  65024   PRIVATE      95.189.80.0/22       39407       CHITATELECOM-AS, RU
  64111   UNALLOCATED  98.159.5.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64111   UNALLOCATED  98.159.7.0/24        19555       KMI-NETWORK - Kinder Morgan, I

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.66.224.0/19        209     CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
100.127.16.0/23      28885     OMANTEL-NAP-AS OmanTel NAP, OM
100.127.18.0/23      28885     OMANTEL-NAP-AS OmanTel NAP, OM

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
27.100.7.0/24        56096    UNKNOWN
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.136.0/24       37500    -Reserved AS-, ZZ
41.76.138.0/24       37500    -Reserved AS-, ZZ
41.76.139.0/24       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/24       37500    -Reserved AS-, ZZ
41.76.141.0/24       37500    -Reserved AS-, ZZ
41.76.142.0/24       37500    -Reserved AS-, ZZ
41.76.143.0/24       37500    -Reserved AS-, ZZ

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:14       /9:11      /10:37      /11:100     /12:288     
/13:563     /14:1096    /15:1903    /16:13368   /17:7800    /18:13616   
/19:25164   /20:39207   /21:45113   /22:85887   /23:69263   /24:386496  
/25:844     /26:604     /27:664     /28:35      /29:20      /30:17      
/31:4       /32:56      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3166          3375    SHAW - Shaw Communications Inc., CA
 39891     2946          3522    ALJAWWALSTC-AS, SA
 12479     2721          3974    UNI2-AS, ES
 22773     2543          3290    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2061          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     1987          2639    Instituto Costarricense de Electricidad y Telec
 30036     1698          1947    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1603          3599    Telmex Colombia S.A., CO
  8551     1556          2093    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492     1549          1778    CABLEONE - CABLE ONE, INC., US

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1579      2:823       4:19        5:2817      6:59        7:1      
   8:1118      9:1        12:1880     13:182      14:1733     15:29     
  16:3        17:197      18:68       20:47       21:4        23:2588   
  24:2153     25:2        27:2260     31:1970     32:89       35:26     
  36:501      37:2748     38:1446     39:251      40:119      41:3018   
  42:602      43:1958     44:100      45:4030     46:3049     47:203    
  49:1345     50:1052     51:49       52:998      54:370      55:5      
  56:12       57:42       58:1536     59:1008     60:428      61:2133   
  62:1812     63:1802     64:4736     65:2218     66:4584     67:2354   
  68:1148     69:3200     70:1144     71:559      72:2112     74:2717   
  75:411      76:425      77:1550     78:1693     79:1883     80:1485   
  81:1424     82:1080     83:783      84:1023     85:2079     86:589    
  87:1310     88:928      89:2324     90:201      91:6309     92:1176   
  93:2379     94:2400     95:2749     96:657      97:356      98:932    
  99:133     100:80      101:1430    102:40      103:17431   104:3306   
 105:225     106:644     107:1792    108:708     109:2701    110:1580   
 111:1780    112:1314    113:1340    114:1119    115:1635    116:1648   
 117:1713    118:2163    119:1672    120:958     121:1053    122:2463   
 123:1800    124:1450    125:1900    128:986     129:637     130:448    
 131:1592    132:670     133:196     134:1005    135:227     136:451    
 137:499     138:1950    139:578     140:424     141:688     142:795    
 143:963     144:798     145:456     146:1168    147:756     148:1566   
 149:720     150:722     151:1057    152:760     153:311     154:1012   
 155:764     156:855     157:786     158:625     159:1652    160:929    
 161:732     162:2581    163:528     164:1035    165:1402    166:419    
 167:1402    168:3043    169:815     170:3716    171:428     172:1074   
 173:1960    174:883     175:767     176:1870    177:3969    178:2421   
 179:1198    180:2244    181:2197    182:2454    183:1139    184:918    
 185:13114   186:3587    187:2354    188:2767    189:2009    190:8136   
 191:1443    192:9830    193:5865    194:4787    195:3934    196:2476   
 197:1405    198:5505    199:5895    200:7439    201:5007    202:10424  
 203:10124   204:4520    205:2843    206:3073    207:3196    208:3977   
 209:3934    210:4031    211:2112    212:3018    213:2739    214:907    
 215:60      216:5851    217:2117    218:899     219:621     220:1722   
 221:999     222:1041    223:1233   

End of report