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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 14 Jul, 2018

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

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

BGP routing table entries examined:                              705823
    Prefixes after maximum aggregation (per Origin AS):          271028
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      338650
Total ASes present in the Internet Routing Table:                 61231
    Prefixes per ASN:                                             11.53
Origin-only ASes present in the Internet Routing Table:           52910
Origin ASes announcing only one prefix:                           23071
Transit ASes present in the Internet Routing Table:                8321
Transit-only ASes present in the Internet Routing Table:            269
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:                62
    Number of instances of unregistered ASNs:                        67
Number of 32-bit ASNs allocated by the RIRs:                      23260
Number of 32-bit ASNs visible in the Routing Table:               18762
Prefixes from 32-bit ASNs in the Routing Table:                   78492
Number of bogon 32-bit ASNs visible in the Routing Table:            31
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            281
Number of addresses announced to Internet:                   2859655747
    Equivalent to 170 /8s, 114 /16s and 226 /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:      235506

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

Prefixes being announced by APNIC Region ASes:                   192665
    Total APNIC prefixes after maximum aggregation:               54827
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          191161
    Unique aggregates announced from the APNIC address blocks:    78276
APNIC Region origin ASes present in the Internet Routing Table:    8943
    APNIC Prefixes per ASN:                                       21.38
APNIC Region origin ASes announcing only one prefix:               2520
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:   3904
Number of APNIC addresses announced to Internet:              767722498
    Equivalent to 45 /8s, 194 /16s and 132 /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:                    209549
    Total ARIN prefixes after maximum aggregation:                99744
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           209840
    Unique aggregates announced from the ARIN address blocks:     99309
ARIN Region origin ASes present in the Internet Routing Table:    18195
    ARIN Prefixes per ASN:                                        11.53
ARIN Region origin ASes announcing only one prefix:                6732
ARIN Region transit ASes present in the Internet Routing Table:    1803
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2376
Number of ARIN addresses announced to Internet:              1103006368
    Equivalent to 65 /8s, 190 /16s and 138 /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:                    193162
    Total RIPE prefixes after maximum aggregation:                92240
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           189351
    Unique aggregates announced from the RIPE address blocks:    112214
RIPE Region origin ASes present in the Internet Routing Table:    25288
    RIPE Prefixes per ASN:                                         7.49
RIPE Region origin ASes announcing only one prefix:               11396
RIPE Region transit ASes present in the Internet Routing Table:    3497
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:    7161
Number of RIPE addresses announced to Internet:               716301184
    Equivalent to 42 /8s, 177 /16s and 227 /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:                   91333
    Total LACNIC prefixes after maximum aggregation:              20128
    LACNIC Deaggregation factor:                                   4.54
Prefixes being announced from the LACNIC address blocks:          92727
    Unique aggregates announced from the LACNIC address blocks:   40734
LACNIC Region origin ASes present in the Internet Routing Table:   7338
    LACNIC Prefixes per ASN:                                      12.64
LACNIC Region origin ASes announcing only one prefix:              2037
LACNIC Region transit ASes present in the Internet Routing Table:  1364
Average LACNIC Region AS path length visible:                       4.7
    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:             172357664
    Equivalent to 10 /8s, 69 /16s and 248 /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:                  19051
    Total AfriNIC prefixes after maximum aggregation:              4041
    AfriNIC Deaggregation factor:                                  4.71
Prefixes being announced from the AfriNIC address blocks:         22463
    Unique aggregates announced from the AfriNIC address blocks:   7870
AfriNIC Region origin ASes present in the Internet Routing Table:  1167
    AfriNIC Prefixes per ASN:                                     19.25
AfriNIC Region origin ASes announcing only one prefix:              386
AfriNIC Region transit ASes present in the Internet Routing Table:  230
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  441
Number of AfriNIC addresses announced to Internet:             99820800
    Equivalent to 5 /8s, 243 /16s and 37 /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         4692       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4347        467     459  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2921       1153      80  VIETEL-AS-AP Viettel Group, VN
  4766         2832      11134     761  KIXS-AS-KR Korea Telecom, KR
  9829         2813       1497     543  BSNL-NIB National Internet Backbone, IN
 45899         2641       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         2239       8699      26  CMNET-GD Guangdong Mobile Communication
  4755         2116        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         3273       2968     148  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 11492         2478        242     471  CABLEONE - CABLE ONE, INC., US
 16509         2241       4725     748  AMAZON-02 - Amazon.com, Inc., US
 18566         2169        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2109       2580     478  CHARTER-NET-HKY-NC - Charter Communicat
 30036         2002        343     159  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1999       5071     605  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16625         1958        983    1395  AKAMAI-AS - Akamai Technologies, Inc., 
  7018         1753      20203    1273  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         4511       1607     120  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 20940         2543        624    1869  AKAMAI-ASN1, US
  8551         2394        377      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2014       1877     708  ROSTELECOM-AS, RU
 34984         2003        334     494  TELLCOM-AS, TR
  9121         1883       1692      19  TTNET, TR
 13188         1604        100      43  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1222        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         5001       3297     587  Uninet S.A. de C.V., MX
 10620         3558        541     265  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       2247     189  CLARO S.A., BR
  3816         1023        508     129  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147          934        377      31  Telefonica del Peru S.A.A., PE
 11172          928        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         1156        396      48  LINKdotNET-AS, EG
 37611          882        107       9  Afrihost, ZA
 36903          778        391     137  MT-MPLS, MA
 36992          743       1411      40  ETISALAT-MISR, EG
  8452          627       1730      18  TE-AS TE-AS, EG
 24835          608        818      18  RAYA-AS, EG
 37492          472        470      57  ORANGE-, TN
 29571          456         68      11  ORANGE-COTE-IVOIRE, CI
 37342          386         32       1  MOVITEL, MZ
 23889          376        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         5001       3297     587  Uninet S.A. de C.V., MX
  4538         4692       4192      74  ERX-CERNET-BKB China Education and Rese
 12479         4511       1607     120  UNI2-AS, ES
  7545         4347        467     459  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3558        541     265  Telmex Colombia S.A., CO
  6327         3431       1324      84  SHAW - Shaw Communications Inc., CA
 22773         3273       2968     148  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7552         2921       1153      80  VIETEL-AS-AP Viettel Group, VN
  4766         2832      11134     761  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       4692         4618   ERX-CERNET-BKB China Education and Research Net
 12479       4511         4391   UNI2-AS, ES
  7545       4347         3888   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3431         3347   SHAW - Shaw Communications Inc., CA
 10620       3558         3293   Telmex Colombia S.A., CO
 22773       3273         3125   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2921         2841   VIETEL-AS-AP Viettel Group, VN
 11830       2655         2577   Instituto Costarricense de Electricidad y Telec
 45899       2641         2527   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
 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
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T

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      /10:37      /11:99      /12:290     
/13:569     /14:1097    /15:1896    /16:13374   /17:7935    /18:13768   
/19:25318   /20:39420   /21:45608   /22:87729   /23:71214   /24:395282  
/25:802     /26:604     /27:624     /28:35      /29:20      /30:20      
/31:6       /32:51      

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

   ASN   No of nets  Total ann.  Description
 12479     3261          4511    UNI2-AS, ES
  6327     3217          3431    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 22773     2537          3273    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2062          2169    MEGAPATH5-US - MegaPath Corporation, US
 11830     2004          2655    Instituto Costarricense de Electricidad y Telec
 11492     1966          2478    CABLEONE - CABLE ONE, INC., US
  8551     1856          2394    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1754          2002    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1612          3558    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)
----------------------------------------------

   1:1614      2:838       4:18        5:2854      6:41        7:1      
   8:1121     12:1873     13:201      14:1755     15:29       16:3      
  17:188      18:54       20:50       23:2446     24:2222     25:2      
  27:2467     31:2031     32:91       35:27       36:508      37:2796   
  38:1470     39:252      40:121      41:3123     42:680      43:1929   
  44:121      45:5001     46:3076     47:202      49:1333     50:1050   
  51:316      52:1068     54:372      55:3        56:12       57:39     
  58:1605     59:991      60:402      61:2102     62:1866     63:1794   
  64:5045     65:2198     66:4668     67:2433     68:1166     69:3250   
  70:1157     71:582      72:2137     74:2704     75:422      76:455    
  77:1547     78:1715     79:1665     80:1536     81:1373     82:1074   
  83:793      84:1075     85:2011     86:565      87:1328     88:929    
  89:2350     90:213      91:6402     92:1239     93:2376     94:2385   
  95:2904     96:779      97:357      98:935      99:133     100:85     
 101:1236    102:141     103:18096   104:3566    105:208     106:718    
 107:1784    108:697     109:3188    110:1621    111:1776    112:1305   
 113:1280    114:1134    115:1657    116:1637    117:1761    118:2197   
 119:1662    120:997     121:1056    122:2469    123:1775    124:1449   
 125:1914    128:1084    129:676     130:459     131:1629    132:707    
 133:195     134:1015    135:226     136:509     137:555     138:1959   
 139:656     140:467     141:729     142:806     143:1015    144:801    
 145:483     146:1195    147:728     148:1612    149:748     150:747    
 151:1100    152:803     153:319     154:1348    155:766     156:1137   
 157:796     158:652     159:1761    160:1216    161:794     162:2571   
 163:598     164:1074    165:1509    166:446     167:1297    168:3110   
 169:817     170:3803    171:474     172:1010    173:1983    174:910    
 175:771     176:1990    177:4029    178:2537    179:1239    180:2171   
 181:2378    182:2551    183:1232    184:1035    185:13754   186:3637   
 187:2419    188:2849    189:2040    190:8141    191:1352    192:9811   
 193:6038    194:4884    195:3980    196:2625    197:1594    198:5548   
 199:5904    200:7320    201:4987    202:10266   203:10268   204:4582   
 205:2895    206:3109    207:3174    208:3989    209:3996    210:3886   
 211:1982    212:3025    213:2794    214:990     215:59      216:6047   
 217:2129    218:855     219:576     220:1777    221:985     222:970    
 223:1349   

End of report