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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 21 Jul, 2018

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

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

BGP routing table entries examined:                              706689
    Prefixes after maximum aggregation (per Origin AS):          271490
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      339522
Total ASes present in the Internet Routing Table:                 61277
    Prefixes per ASN:                                             11.53
Origin-only ASes present in the Internet Routing Table:           52941
Origin ASes announcing only one prefix:                           23079
Transit ASes present in the Internet Routing Table:                8336
Transit-only ASes present in the Internet Routing Table:            278
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 30873)                              32
Prefixes from unregistered ASNs in the Routing Table:                56
    Number of instances of unregistered ASNs:                        59
Number of 32-bit ASNs allocated by the RIRs:                      23343
Number of 32-bit ASNs visible in the Routing Table:               18822
Prefixes from 32-bit ASNs in the Routing Table:                   78370
Number of bogon 32-bit ASNs visible in the Routing Table:            27
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            289
Number of addresses announced to Internet:                   2856751939
    Equivalent to 170 /8s, 70 /16s and 147 /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:               99.0
Total number of prefixes smaller than registry allocations:      235774

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

Prefixes being announced by APNIC Region ASes:                   192804
    Total APNIC prefixes after maximum aggregation:               54910
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          191212
    Unique aggregates announced from the APNIC address blocks:    78530
APNIC Region origin ASes present in the Internet Routing Table:    8959
    APNIC Prefixes per ASN:                                       21.34
APNIC Region origin ASes announcing only one prefix:               2522
APNIC Region transit ASes present in the Internet Routing Table:   1335
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3919
Number of APNIC addresses announced to Internet:              767822850
    Equivalent to 45 /8s, 196 /16s and 12 /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:                    209991
    Total ARIN prefixes after maximum aggregation:                99923
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           210273
    Unique aggregates announced from the ARIN address blocks:     99476
ARIN Region origin ASes present in the Internet Routing Table:    18190
    ARIN Prefixes per ASN:                                        11.56
ARIN Region origin ASes announcing only one prefix:                6725
ARIN Region transit ASes present in the Internet Routing Table:    1805
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2386
Number of ARIN addresses announced to Internet:              1102400672
    Equivalent to 65 /8s, 181 /16s and 76 /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:                    193597
    Total RIPE prefixes after maximum aggregation:                92449
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           189728
    Unique aggregates announced from the RIPE address blocks:    112597
RIPE Region origin ASes present in the Internet Routing Table:    25313
    RIPE Prefixes per ASN:                                         7.50
RIPE Region origin ASes announcing only one prefix:               11414
RIPE Region transit ASes present in the Internet Routing Table:    3490
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7187
Number of RIPE addresses announced to Internet:               714018432
    Equivalent to 42 /8s, 143 /16s and 14 /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:                   91068
    Total LACNIC prefixes after maximum aggregation:              20101
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:          92487
    Unique aggregates announced from the LACNIC address blocks:   40809
LACNIC Region origin ASes present in the Internet Routing Table:   7333
    LACNIC Prefixes per ASN:                                      12.61
LACNIC Region origin ASes announcing only one prefix:              2029
LACNIC Region transit ASes present in the Internet Routing Table:  1382
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4880
Number of LACNIC addresses announced to Internet:             172083488
    Equivalent to 10 /8s, 65 /16s and 201 /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:                  19172
    Total AfriNIC prefixes after maximum aggregation:              4062
    AfriNIC Deaggregation factor:                                  4.72
Prefixes being announced from the AfriNIC address blocks:         22700
    Unique aggregates announced from the AfriNIC address blocks:   7856
AfriNIC Region origin ASes present in the Internet Routing Table:  1175
    AfriNIC Prefixes per ASN:                                     19.32
AfriNIC Region origin ASes announcing only one prefix:              389
AfriNIC Region transit ASes present in the Internet Routing Table:  236
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  450
Number of AfriNIC addresses announced to Internet:             99974400
    Equivalent to 5 /8s, 245 /16s and 125 /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         4690       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4348        467     459  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2948       1153      83  VIETEL-AS-AP Viettel Group, VN
  4766         2853      11130     764  KIXS-AS-KR Korea Telecom, KR
  9829         2813       1497     543  BSNL-NIB National Internet Backbone, IN
 45899         2658       1633     114  VNPT-AS-VN VNPT Corp, VN
  9394         2542       4907      31  CTTNET China TieTong Telecommunications
 17974         2260        930      71  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2236       8699      26  CMNET-GD Guangdong Mobile Communication
  4755         2115        417     205  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         3431       1324      84  SHAW - Shaw Communications Inc., CA
 22773         3271       2968     148  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 11492         2550        247     462  CABLEONE - CABLE ONE, INC., US
 16509         2248       4727     753  AMAZON-02 - Amazon.com, Inc., US
 18566         2168        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2114       2591     478  CHARTER-NET-HKY-NC - Charter Communicat
 30036         2004        343     154  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1994       5070     605  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16625         1966        988    1404  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1751      20201    1270  ATT-INTERNET4 - AT&T Services, Inc., US

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         4543       1609     122  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 20940         2547        623    1880  AKAMAI-ASN1, US
  8551         2536        377      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2014       1877     708  ROSTELECOM-AS, RU
 34984         2009        335     499  TELLCOM-AS, TR
  9121         1879       1692      19  TTNET, TR
 13188         1604        100      43  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1210        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         5007       3299     589  Uninet S.A. de C.V., MX
 10620         3560        541     256  Telmex Colombia S.A., CO
 11830         2655        369      78  Instituto Costarricense de Electricidad
  6503         1669        443      62  Axtel, S.A.B. de C.V., MX
  7303         1507       1026     188  Telecom Argentina S.A., AR
 28573         1035       2248     184  CLARO S.A., BR
  3816         1023        508     129  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147          936        377      31  Telefonica del Peru S.A.A., PE
 11172          929        127      86  Alestra, S. de R.L. de C.V., MX
 18881          913       1078      30  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         1172        396      48  LINKdotNET-AS, EG
 37611          884        107       9  Afrihost, ZA
 36903          778        391     137  MT-MPLS, MA
 36992          744       1411      40  ETISALAT-MISR, EG
  8452          635       1730      18  TE-AS TE-AS, EG
 24835          635        818      18  RAYA-AS, EG
 37492          472        470      57  ORANGE-, TN
 29571          457         68      11  ORANGE-COTE-IVOIRE, CI
 37342          386         32       1  MOVITEL, MZ
 23889          378        231      15  MauritiusTelecom, MU

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
  8151         5007       3299     589  Uninet S.A. de C.V., MX
  4538         4690       4192      74  ERX-CERNET-BKB China Education and Rese
 12479         4543       1609     122  UNI2-AS, ES
  7545         4348        467     459  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3560        541     256  Telmex Colombia S.A., CO
  6327         3431       1324      84  SHAW - Shaw Communications Inc., CA
 22773         3271       2968     148  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7552         2948       1153      83  VIETEL-AS-AP Viettel Group, VN
  4766         2853      11130     764  KIXS-AS-KR Korea Telecom, KR

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

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

  ASN   No of nets  Net Savings  Description
  4538       4690         4616   ERX-CERNET-BKB China Education and Research Net
 12479       4543         4421   UNI2-AS, ES
  7545       4348         3889   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3431         3347   SHAW - Shaw Communications Inc., CA
 10620       3560         3304   Telmex Colombia S.A., CO
 22773       3271         3123   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2948         2865   VIETEL-AS-AP Viettel Group, VN
 11830       2655         2577   Instituto Costarricense de Electricidad y Telec
 45899       2658         2544   VNPT-AS-VN VNPT Corp, VN

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
  64500   DOCUMENT     45.43.56.0/24       135391       AOFEI-HK AOFEI DATA INTERNATIO
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
4200015017   PRIVATE      47.74.136.0/24       45102       CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017   PRIVATE      47.74.161.0/24       45102       CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017   PRIVATE      47.74.203.0/24       45102       CNNIC-ALIBABA-CN-NET-AP Alibab
4200015017   PRIVATE      47.88.147.0/24       45102       CNNIC-ALIBABA-CN-NET-AP Alibab
  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

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
198.18.1.19/32        7497     CSTNET-AS-AP Computer Network Information Cente

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
41.78.92.0/22        14988    BTC-GATE1, BW
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN

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      /10:36      /11:99      /12:291     
/13:570     /14:1095    /15:1894    /16:13348   /17:7939    /18:13760   
/19:25331   /20:39376   /21:45625   /22:87778   /23:71260   /24:396097  
/25:802     /26:607     /27:624     /28:35      /29:20      /30:19      
/31:6       /32:52      

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

   ASN   No of nets  Total ann.  Description
 12479     3291          4543    UNI2-AS, ES
  6327     3217          3431    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 22773     2535          3271    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2061          2168    MEGAPATH5-US - MegaPath Corporation, US
 11830     2004          2655    Instituto Costarricense de Electricidad y Telec
  8551     1998          2536    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492     1972          2550    CABLEONE - CABLE ONE, INC., US
 30036     1756          2004    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1613          3560    Telmex Colombia S.A., CO

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

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

   1:1615      2:834       4:18        5:2854      6:40        7:1      
   8:1125     12:1869     13:206      14:1765     15:29       16:3      
  17:188      18:54       20:50       23:2460     24:2224     25:2      
  27:2475     31:2041     32:92       35:27       36:508      37:2821   
  38:1482     39:248      40:121      41:3152     42:690      43:1959   
  44:121      45:5012     46:3094     47:203      49:1332     50:1056   
  51:317      52:1070     54:372      55:4        56:12       57:39     
  58:1618     59:993      60:401      61:2102     62:1876     63:1790   
  64:5026     65:2196     66:4673     67:2423     68:1170     69:3266   
  70:1157     71:580      72:2137     74:2704     75:422      76:459    
  77:1545     78:1712     79:1817     80:1535     81:1384     82:1075   
  83:790      84:1077     85:2012     86:561      87:1351     88:929    
  89:2350     90:216      91:6433     92:1251     93:2383     94:2395   
  95:2917     96:781      97:359      98:935      99:133     100:85     
 101:1231    102:146     103:18174   104:3567    105:213     106:738    
 107:1789    108:694     109:3180    110:1624    111:1773    112:1309   
 113:1292    114:1133    115:1660    116:1631    117:1763    118:2209   
 119:1658    120:1003    121:1063    122:2462    123:1757    124:1448   
 125:1912    128:1082    129:674     130:489     131:1636    132:697    
 133:195     134:1020    135:225     136:502     137:651     138:1942   
 139:661     140:468     141:730     142:803     143:1022    144:801    
 145:486     146:1197    147:725     148:1644    149:756     150:749    
 151:1096    152:794     153:320     154:1429    155:789     156:1136   
 157:799     158:654     159:1779    160:1262    161:785     162:2574   
 163:604     164:1071    165:1521    166:449     167:1302    168:3113   
 169:821     170:3805    171:488     172:994     173:1983    174:905    
 175:769     176:1994    177:4067    178:2540    179:1235    180:2169   
 181:2358    182:2405    183:1238    184:1034    185:13807   186:3564   
 187:2439    188:2843    189:2045    190:8131    191:1309    192:9789   
 193:6062    194:4898    195:3977    196:2643    197:1588    198:5554   
 199:5906    200:7312    201:4988    202:10236   203:10256   204:4583   
 205:2893    206:3164    207:3179    208:3984    209:3997    210:3888   
 211:1984    212:3023    213:2784    214:1046    215:57      216:6035   
 217:2134    218:859     219:577     220:1785    221:985     222:971    
 223:1352   

End of report