Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 24 18:03:40 UTC 2018


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 at lists.apnic.net

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

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

Routing Table Report   04:00 +10GMT Sat 25 Aug, 2018

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

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

BGP routing table entries examined:                              711713
    Prefixes after maximum aggregation (per Origin AS):          273276
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      341846
Total ASes present in the Internet Routing Table:                 61612
    Prefixes per ASN:                                             11.55
Origin-only ASes present in the Internet Routing Table:           53212
Origin ASes announcing only one prefix:                           23205
Transit ASes present in the Internet Routing Table:                8400
Transit-only ASes present in the Internet Routing Table:            260
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 30873)                              32
Prefixes from unregistered ASNs in the Routing Table:                55
    Number of instances of unregistered ASNs:                        55
Number of 32-bit ASNs allocated by the RIRs:                      23808
Number of 32-bit ASNs visible in the Routing Table:               19184
Prefixes from 32-bit ASNs in the Routing Table:                   80326
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            272
Number of addresses announced to Internet:                   2857455684
    Equivalent to 170 /8s, 81 /16s and 80 /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:      237793

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

Prefixes being announced by APNIC Region ASes:                   193767
    Total APNIC prefixes after maximum aggregation:               55359
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          191973
    Unique aggregates announced from the APNIC address blocks:    79241
APNIC Region origin ASes present in the Internet Routing Table:    9019
    APNIC Prefixes per ASN:                                       21.29
APNIC Region origin ASes announcing only one prefix:               2534
APNIC Region transit ASes present in the Internet Routing Table:   1342
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3981
Number of APNIC addresses announced to Internet:              767386627
    Equivalent to 45 /8s, 189 /16s and 100 /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, 131072-139577
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:                    211629
    Total ARIN prefixes after maximum aggregation:               100126
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           211412
    Unique aggregates announced from the ARIN address blocks:    100195
ARIN Region origin ASes present in the Internet Routing Table:    18229
    ARIN Prefixes per ASN:                                        11.60
ARIN Region origin ASes announcing only one prefix:                6758
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:    2415
Number of ARIN addresses announced to Internet:              1103319200
    Equivalent to 65 /8s, 195 /16s and 80 /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, 393216-399260
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:                    195094
    Total RIPE prefixes after maximum aggregation:                93057
    RIPE Deaggregation factor:                                     2.10
Prefixes being announced from the RIPE address blocks:           191399
    Unique aggregates announced from the RIPE address blocks:    113352
RIPE Region origin ASes present in the Internet Routing Table:    25436
    RIPE Prefixes per ASN:                                         7.52
RIPE Region origin ASes announcing only one prefix:               11467
RIPE Region transit ASes present in the Internet Routing Table:    3523
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:    7324
Number of RIPE addresses announced to Internet:               714069376
    Equivalent to 42 /8s, 143 /16s and 213 /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
                       196608-210331
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:                   91736
    Total LACNIC prefixes after maximum aggregation:              20544
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:          93193
    Unique aggregates announced from the LACNIC address blocks:   40829
LACNIC Region origin ASes present in the Internet Routing Table:   7458
    LACNIC Prefixes per ASN:                                      12.50
LACNIC Region origin ASes announcing only one prefix:              2060
LACNIC Region transit ASes present in the Internet Routing Table:  1398
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5006
Number of LACNIC addresses announced to Internet:             172006176
    Equivalent to 10 /8s, 64 /16s and 155 /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:                  19431
    Total AfriNIC prefixes after maximum aggregation:              4143
    AfriNIC Deaggregation factor:                                  4.69
Prefixes being announced from the AfriNIC address blocks:         23464
    Unique aggregates announced from the AfriNIC address blocks:   7986
AfriNIC Region origin ASes present in the Internet Routing Table:  1183
    AfriNIC Prefixes per ASN:                                     19.83
AfriNIC Region origin ASes announcing only one prefix:              386
AfriNIC Region transit ASes present in the Internet Routing Table:  235
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  458
Number of AfriNIC addresses announced to Internet:            100231168
    Equivalent to 5 /8s, 249 /16s and 104 /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         4681       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4421        478     471  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2989       1154      86  VIETEL-AS-AP Viettel Group, VN
  4766         2825      11135     768  KIXS-AS-KR Korea Telecom, KR
  9829         2813       1495     541  BSNL-NIB National Internet Backbone, IN
 45899         2569       1638     157  VNPT-AS-VN VNPT Corp, VN
  9394         2541       4907      32  CTTNET China TieTong Telecommunications
 17974         2262        962      71  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2252       8699      26  CMNET-GD Guangdong Mobile Communication
  4755         2118        417     204  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         3448       1324      82  SHAW - Shaw Communications Inc., CA
 11492         3268        253     411  CABLEONE - CABLE ONE, INC., US
 22773         3228       2968     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2271       4808     773  AMAZON-02 - Amazon.com, Inc., US
 18566         2166        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2141       2652     505  CHARTER-NET-HKY-NC - Charter Communicat
   209         2038       5085     604  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         2028        345     142  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 16625         1995       1043    1463  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1774      20210    1283  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         4704       1613     125  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3099        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2546        615    1892  AKAMAI-ASN1, US
 12389         2042       1893     732  ROSTELECOM-AS, RU
 34984         2015        335     507  TELLCOM-AS, TR
  9121         1821       1692      19  TTNET, TR
 13188         1604        100      43  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1205        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         4884       3349     608  Uninet S.A. de C.V., MX
 10620         3487        531     459  Telmex Colombia S.A., CO
 11830         2657        369      78  Instituto Costarricense de Electricidad
  6503         1665        444      63  Axtel, S.A.B. de C.V., MX
  7303         1429        952     205  Telecom Argentina S.A., AR
 28573         1084       2229     181  CLARO S.A., BR
  3816         1022        510     117  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          929        126      85  Alestra, S. de R.L. de C.V., MX
 18881          915       1080      32  TELEFÔNICA BRASIL S.A, BR
  6147          907        377      31  Telefonica del Peru S.A.A., PE

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         1184        396      48  LINKdotNET-AS, EG
 37611          895        107       9  Afrihost, ZA
 36903          778        391     137  MT-MPLS, MA
 36992          745       1411      40  ETISALAT-MISR, EG
 24835          641        818      18  RAYA-AS, EG
  8452          591       1728      14  TE-AS TE-AS, EG
 37492          474        470      57  ORANGE-, TN
 29571          463         70      13  ORANGE-COTE-IVOIRE, CI
 37342          386         32       1  MOVITEL, MZ
 23889          375        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         4884       3349     608  Uninet S.A. de C.V., MX
 12479         4704       1613     125  UNI2-AS, ES
  4538         4681       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4421        478     471  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3487        531     459  Telmex Colombia S.A., CO
  6327         3448       1324      82  SHAW - Shaw Communications Inc., CA
 11492         3268        253     411  CABLEONE - CABLE ONE, INC., US
 22773         3228       2968     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8551         3099        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne

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       4681         4607   ERX-CERNET-BKB China Education and Research Net
 12479       4704         4579   UNI2-AS, ES
  7545       4421         3950   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3448         3366   SHAW - Shaw Communications Inc., CA
 22773       3228         3079   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3099         3055   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 10620       3487         3028   Telmex Colombia S.A., CO
  7552       2989         2903   VIETEL-AS-AP Viettel Group, VN
 11492       3268         2857   CABLEONE - CABLE ONE, INC., US

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
  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
  64121   UNALLOCATED  98.159.9.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64121   UNALLOCATED  98.159.12.0/24       19555       KMI-NETWORK - Kinder Morgan, I
  64140   UNALLOCATED  98.159.14.0/24       64121       UNKNOWN
4259905537   PRIVATE      103.250.48.0/24     132917       YELLOWPAGESGROUP-AS-AP Yellow 

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
45.121.32.0/22      134356    UNKNOWN

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     /14:1096    /15:1900    /16:13370   /17:7932    /18:13806   
/19:25374   /20:39278   /21:45530   /22:88363   /23:71758   /24:400129  
/25:799     /26:603     /27:624     /28:35      /29:20      /30:19      
/31:4       /32:52      

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

   ASN   No of nets  Total ann.  Description
 12479     3455          4704    UNI2-AS, ES
  6327     3238          3448    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2623          3268    CABLEONE - CABLE ONE, INC., US
  8551     2561          3099    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2497          3228    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2060          2166    MEGAPATH5-US - MegaPath Corporation, US
 11830     2005          2657    Instituto Costarricense de Electricidad y Telec
 30036     1780          2028    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1580          3487    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)
----------------------------------------------

   1:1616      2:827       4:18        5:2861      6:43        7:1      
   8:1125     12:1871     13:210      14:1796     15:32       16:3      
  17:191      18:54       20:51       23:2489     24:2341     25:2      
  27:2478     31:2012     32:88       35:29       36:522      37:2896   
  38:1495     39:257      40:118      41:3191     42:702      43:1975   
  44:120      45:5363     46:3116     47:199      49:1339     50:1054   
  51:318      52:1088     54:368      55:1        56:12       57:39     
  58:1629     59:992      60:406      61:2113     62:1870     63:1790   
  64:5078     65:2201     66:4716     67:2673     68:1147     69:3306   
  70:1157     71:582      72:2191     74:2724     75:416      76:464    
  77:1650     78:1690     79:2253     80:1569     81:1393     82:1065   
  83:782      84:1034     85:1998     86:561      87:1364     88:908    
  89:2355     90:214      91:6434     92:1260     93:2377     94:2406   
  95:2961     96:901      97:355      98:935      99:133     100:84     
 101:989     102:184     103:18502   104:3533    105:215     106:769    
 107:1769    108:710     109:3324    110:1645    111:1800    112:1337   
 113:1306    114:1130    115:1646    116:1655    117:1775    118:2214   
 119:1659    120:1015    121:1043    122:2423    123:1725    124:1447   
 125:1920    128:1129    129:671     130:494     131:1620    132:732    
 133:190     134:1003    135:232     136:507     137:651     138:1942   
 139:677     140:475     141:737     142:851     143:1000    144:810    
 145:476     146:1230    147:735     148:1643    149:757     150:756    
 151:1097    152:825     153:323     154:1489    155:800     156:1464   
 157:799     158:657     159:1840    160:1312    161:810     162:2633   
 163:605     164:1077    165:1552    166:462     167:1257    168:3150   
 169:831     170:3859    171:492     172:1007    173:2087    174:971    
 175:796     176:2029    177:4013    178:2501    179:1269    180:2180   
 181:2412    182:2350    183:1254    184:1062    185:13979   186:3538   
 187:2425    188:2899    189:2000    190:8157    191:1354    192:9803   
 193:6103    194:5017    195:3992    196:2743    197:1612    198:5573   
 199:5914    200:7435    201:4876    202:10293   203:10269   204:4571   
 205:2903    206:3197    207:3209    208:3933    209:4027    210:3884   
 211:1998    212:3044    213:2818    214:1037    215:56      216:5999   
 217:2130    218:860     219:567     220:1807    221:998     222:971    
 223:1372   

End of report


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