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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 24 Mar, 2018

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

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

BGP routing table entries examined:                              691365
    Prefixes after maximum aggregation (per Origin AS):          268010
    Deaggregation factor:                                          2.58
    Unique aggregates announced (without unneeded subnets):      333413
Total ASes present in the Internet Routing Table:                 60242
    Prefixes per ASN:                                             11.48
Origin-only ASes present in the Internet Routing Table:           52045
Origin ASes announcing only one prefix:                           22825
Transit ASes present in the Internet Routing Table:                8197
Transit-only ASes present in the Internet Routing Table:            259
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 30873)                              32
Prefixes from unregistered ASNs in the Routing Table:                43
    Number of instances of unregistered ASNs:                        43
Number of 32-bit ASNs allocated by the RIRs:                      21920
Number of 32-bit ASNs visible in the Routing Table:               17665
Prefixes from 32-bit ASNs in the Routing Table:                   73424
Number of bogon 32-bit ASNs visible in the Routing Table:            14
Special use prefixes present in the Routing Table:                    3
Prefixes being announced from unallocated address space:            327
Number of addresses announced to Internet:                   2856515618
    Equivalent to 170 /8s, 66 /16s and 248 /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:               98.8
Total number of prefixes smaller than registry allocations:      229823

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

Prefixes being announced by APNIC Region ASes:                   190139
    Total APNIC prefixes after maximum aggregation:               54379
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          189044
    Unique aggregates announced from the APNIC address blocks:    77220
APNIC Region origin ASes present in the Internet Routing Table:    8733
    APNIC Prefixes per ASN:                                       21.65
APNIC Region origin ASes announcing only one prefix:               2463
APNIC Region transit ASes present in the Internet Routing Table:   1291
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:   3650
Number of APNIC addresses announced to Internet:              767306082
    Equivalent to 45 /8s, 188 /16s and 41 /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:                    206125
    Total ARIN prefixes after maximum aggregation:                98692
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           206867
    Unique aggregates announced from the ARIN address blocks:     97789
ARIN Region origin ASes present in the Internet Routing Table:    18121
    ARIN Prefixes per ASN:                                        11.42
ARIN Region origin ASes announcing only one prefix:                6715
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:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2326
Number of ARIN addresses announced to Internet:              1104262496
    Equivalent to 65 /8s, 209 /16s and 181 /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:                    187594
    Total RIPE prefixes after maximum aggregation:                91205
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           183855
    Unique aggregates announced from the RIPE address blocks:    110088
RIPE Region origin ASes present in the Internet Routing Table:    25036
    RIPE Prefixes per ASN:                                         7.34
RIPE Region origin ASes announcing only one prefix:               11374
RIPE Region transit ASes present in the Internet Routing Table:    3492
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:    6811
Number of RIPE addresses announced to Internet:               715655552
    Equivalent to 42 /8s, 168 /16s and 9 /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:                   88947
    Total LACNIC prefixes after maximum aggregation:              19690
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          90332
    Unique aggregates announced from the LACNIC address blocks:   40521
LACNIC Region origin ASes present in the Internet Routing Table:   6946
    LACNIC Prefixes per ASN:                                      13.00
LACNIC Region origin ASes announcing only one prefix:              1905
LACNIC Region transit ASes present in the Internet Routing Table:  1288
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:  4478
Number of LACNIC addresses announced to Internet:             172439008
    Equivalent to 10 /8s, 71 /16s and 53 /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:                  18515
    Total AfriNIC prefixes after maximum aggregation:              4004
    AfriNIC Deaggregation factor:                                  4.62
Prefixes being announced from the AfriNIC address blocks:         20940
    Unique aggregates announced from the AfriNIC address blocks:   7532
AfriNIC Region origin ASes present in the Internet Routing Table:  1122
    AfriNIC Prefixes per ASN:                                     18.66
AfriNIC Region origin ASes announcing only one prefix:              367
AfriNIC Region transit ASes present in the Internet Routing Table:  226
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:             96439296
    Equivalent to 5 /8s, 191 /16s and 140 /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         5417       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         3928        407     407  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2877      11133     782  KIXS-AS-KR Korea Telecom, KR
  9829         2804       1499     541  BSNL-NIB National Internet Backbone, IN
  7552         2702       1161      58  VIETEL-AS-AP Viettel Group, VN
  9394         2630       4923      29  CTTNET China TieTong Telecommunications
 45899         2557       1561     165  VNPT-AS-VN VNPT Corp, VN
 17974         2308        930      80  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2172       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2085        417     215  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         3285       2988     150  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2167        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2098       2488     433  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2031       4372     651  AMAZON-02 - Amazon.com, Inc., US
 30036         1947        341     176  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1919       5070     609  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 11492         1765        227     564  CABLEONE - CABLE ONE, INC., US
  6389         1743       3671      36  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 16625         1698        827    1214  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         3885       1484     617  UNI2-AS, ES
 39891         3327        179      20  ALJAWWALSTC-AS, SA
 20940         2749        776    2010  AKAMAI-ASN1, US
 12389         2035       1864     704  ROSTELECOM-AS, RU
 34984         2024        334     482  TELLCOM-AS, TR
  8551         2021        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9121         1944       1692      19  TTNET, TR
 13188         1606        100      46  TRIOLAN, UA
  8402         1235        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  9198         1071        363      28  KAZTELECOM-AS, KZ

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         4324       3385     579  Uninet S.A. de C.V., MX
 10620         3597        540     259  Telmex Colombia S.A., CO
 11830         2641        369      86  Instituto Costarricense de Electricidad
  6503         1634        437      53  Axtel, S.A.B. de C.V., MX
  7303         1506       1022     191  Telecom Argentina S.A., AR
 28573         1027       2251     181  CLARO S.A., BR
  6147         1013        377      27  Telefonica del Peru S.A.A., PE
  3816         1006        506     120  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          927        126      83  Alestra, S. de R.L. de C.V., MX
 18881          907       1072      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         1161        398      50  LINKdotNET-AS, EG
 37611          820        107       9  Afrihost, ZA
 36903          741        372     137  MT-MPLS, MA
 36992          677       1396      39  ETISALAT-MISR, EG
  8452          633       1730      18  TE-AS TE-AS, EG
 24835          602        850      15  RAYA-AS, EG
 29571          467         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         5417       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         4324       3385     579  Uninet S.A. de C.V., MX
  7545         3928        407     407  TPG-INTERNET-AP TPG Telecom Limited, AU
 12479         3885       1484     617  UNI2-AS, ES
 10620         3597        540     259  Telmex Colombia S.A., CO
  6327         3375       1323      86  SHAW - Shaw Communications Inc., CA
 39891         3327        179      20  ALJAWWALSTC-AS, SA
 22773         3285       2988     150  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2877      11133     782  KIXS-AS-KR Korea Telecom, KR
  9829         2804       1499     541  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       4324         3745   Uninet S.A. de C.V., MX
  7545       3928         3521   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3597         3338   Telmex Colombia S.A., CO
 39891       3327         3307   ALJAWWALSTC-AS, SA
  6327       3375         3289   SHAW - Shaw Communications Inc., CA
 12479       3885         3268   UNI2-AS, ES
 22773       3285         3135   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2702         2644   VIETEL-AS-AP Viettel Group, VN
  9394       2630         2601   CTTNET China TieTong Telecommunications Corpora
 11830       2641         2555   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
  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
  64121   UNALLOCATED  98.159.9.0/24        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
14.128.14.0/23       10247    NETLINE, ZA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
37.44.224.0/20       48666    AS-MAROSNET Moscow, Russia, RU
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

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     /14:1095    /15:1902    /16:13337   /17:7847    /18:13660   
/19:25204   /20:39209   /21:45188   /22:85658   /23:69222   /24:385799  
/25:839     /26:603     /27:659     /28:33      /29:20      /30:16      
/31:4       /32:57      

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

   ASN   No of nets  Total ann.  Description
  6327     3166          3375    SHAW - Shaw Communications Inc., CA
 39891     2754          3327    ALJAWWALSTC-AS, SA
 12479     2645          3885    UNI2-AS, ES
 22773     2539          3285    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2061          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     1988          2641    Instituto Costarricense de Electricidad y Telec
 30036     1697          1947    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1601          3597    Telmex Colombia S.A., CO
 11492     1536          1765    CABLEONE - CABLE ONE, INC., US
  8551     1484          2021    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

   1:1577      2:821       4:19        5:2799      6:48        7:1      
   8:1118      9:1        12:1881     13:192      14:1740     15:27     
  16:3        17:194      18:68       20:47       21:3        23:2560   
  24:2148     25:2        27:2264     31:1950     32:89       35:27     
  36:509      37:2779     38:1459     39:249      40:107      41:3024   
  42:595      43:1956     44:103      45:3988     46:3040     47:199    
  49:1349     50:1051     51:48       52:996      54:363      55:5      
  56:12       57:42       58:1550     59:1017     60:429      61:2135   
  62:1813     63:1799     64:4729     65:2221     66:4614     67:2367   
  68:1170     69:3210     70:1141     71:559      72:2111     74:2721   
  75:412      76:427      77:1547     78:1726     79:1783     80:1482   
  81:1436     82:1074     83:775      84:1020     85:2078     86:580    
  87:1301     88:928      89:2323     90:199      91:6310     92:1171   
  93:2377     94:2398     95:2738     96:659      97:356      98:929    
  99:129     100:79      101:1427    102:31      103:17422   104:3308   
 105:224     106:602     107:1793    108:708     109:2724    110:1580   
 111:1770    112:1325    113:1351    114:1116    115:1649    116:1643   
 117:1715    118:2161    119:1675    120:969     121:1059    122:2459   
 123:1821    124:1460    125:1892    128:997     129:629     130:447    
 131:1556    132:683     133:195     134:995     135:228     136:449    
 137:499     138:1913    139:575     140:417     141:685     142:793    
 143:958     144:806     145:456     146:1170    147:750     148:1549   
 149:709     150:743     151:981     152:758     153:311     154:1013   
 155:765     156:848     157:784     158:624     159:1649    160:915    
 161:723     162:2575    163:524     164:1036    165:1412    166:414    
 167:1396    168:3060    169:814     170:3708    171:426     172:1071   
 173:1956    174:872     175:765     176:1745    177:3995    178:2416   
 179:1193    180:2242    181:2155    182:2462    183:1135    184:918    
 185:12989   186:3565    187:2339    188:2756    189:2004    190:8097   
 191:1384    192:9794    193:5890    194:4792    195:3960    196:2474   
 197:1444    198:5519    199:5875    200:7394    201:4990    202:10434  
 203:10152   204:4530    205:2849    206:3077    207:3204    208:3992   
 209:3925    210:4035    211:2112    212:2981    213:2722    214:911    
 215:61      216:5857    217:2151    218:899     219:621     220:1724   
 221:997     222:1040    223:1236   

End of report