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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 28 Jul, 2018

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

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

BGP routing table entries examined:                              707831
    Prefixes after maximum aggregation (per Origin AS):          271940
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      339769
Total ASes present in the Internet Routing Table:                 61314
    Prefixes per ASN:                                             11.54
Origin-only ASes present in the Internet Routing Table:           52960
Origin ASes announcing only one prefix:                           23085
Transit ASes present in the Internet Routing Table:                8354
Transit-only ASes present in the Internet Routing Table:            267
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:                      23460
Number of 32-bit ASNs visible in the Routing Table:               18868
Prefixes from 32-bit ASNs in the Routing Table:                   78889
Number of bogon 32-bit ASNs visible in the Routing Table:            22
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            282
Number of addresses announced to Internet:                   2857289283
    Equivalent to 170 /8s, 78 /16s and 198 /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:      235856

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

Prefixes being announced by APNIC Region ASes:                   193185
    Total APNIC prefixes after maximum aggregation:               54926
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          191556
    Unique aggregates announced from the APNIC address blocks:    78618
APNIC Region origin ASes present in the Internet Routing Table:    8971
    APNIC Prefixes per ASN:                                       21.35
APNIC Region origin ASes announcing only one prefix:               2518
APNIC Region transit ASes present in the Internet Routing Table:   1338
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3922
Number of APNIC addresses announced to Internet:              767760130
    Equivalent to 45 /8s, 195 /16s and 23 /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:                    210288
    Total ARIN prefixes after maximum aggregation:               100019
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           210480
    Unique aggregates announced from the ARIN address blocks:     99420
ARIN Region origin ASes present in the Internet Routing Table:    18191
    ARIN Prefixes per ASN:                                        11.57
ARIN Region origin ASes announcing only one prefix:                6721
ARIN Region transit ASes present in the Internet Routing Table:    1807
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          22
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2385
Number of ARIN addresses announced to Internet:              1102770848
    Equivalent to 65 /8s, 186 /16s and 242 /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:                    193768
    Total RIPE prefixes after maximum aggregation:                92607
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           189917
    Unique aggregates announced from the RIPE address blocks:    112763
RIPE Region origin ASes present in the Internet Routing Table:    25326
    RIPE Prefixes per ASN:                                         7.50
RIPE Region origin ASes announcing only one prefix:               11415
RIPE Region transit ASes present in the Internet Routing Table:    3503
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:    7216
Number of RIPE addresses announced to Internet:               714010240
    Equivalent to 42 /8s, 142 /16s and 238 /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:                   91315
    Total LACNIC prefixes after maximum aggregation:              20268
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:          92744
    Unique aggregates announced from the LACNIC address blocks:   40795
LACNIC Region origin ASes present in the Internet Routing Table:   7348
    LACNIC Prefixes per ASN:                                      12.62
LACNIC Region origin ASes announcing only one prefix:              2032
LACNIC Region transit ASes present in the Internet Routing Table:  1379
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        34
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4891
Number of LACNIC addresses announced to Internet:             172285216
    Equivalent to 10 /8s, 68 /16s and 221 /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:                  19219
    Total AfriNIC prefixes after maximum aggregation:              4076
    AfriNIC Deaggregation factor:                                  4.72
Prefixes being announced from the AfriNIC address blocks:         22852
    Unique aggregates announced from the AfriNIC address blocks:   7926
AfriNIC Region origin ASes present in the Internet Routing Table:  1183
    AfriNIC Prefixes per ASN:                                     19.32
AfriNIC Region origin ASes announcing only one prefix:              399
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:  454
Number of AfriNIC addresses announced to Internet:            100013568
    Equivalent to 5 /8s, 246 /16s and 22 /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         4364        467     460  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2966       1153      83  VIETEL-AS-AP Viettel Group, VN
  4766         2863      11135     765  KIXS-AS-KR Korea Telecom, KR
  9829         2813       1497     543  BSNL-NIB National Internet Backbone, IN
 45899         2657       1637     110  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         2238       8699      26  CMNET-GD Guangdong Mobile Communication
  4755         2112        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         3433       1324      82  SHAW - Shaw Communications Inc., CA
 22773         3272       2968     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 11492         2541        244     475  CABLEONE - CABLE ONE, INC., US
 16509         2250       4790     759  AMAZON-02 - Amazon.com, Inc., US
 18566         2167        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2118       2616     480  CHARTER-NET-HKY-NC - Charter Communicat
 16625         2014       1033    1440  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2013        344     148  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1996       5071     607  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
  7018         1746      20200    1263  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         4614       1610     122  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 20940         2540        624    1886  AKAMAI-ASN1, US
  8551         2523        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2043       1891     731  ROSTELECOM-AS, RU
 34984         2008        335     500  TELLCOM-AS, TR
  9121         1865       1692      19  TTNET, TR
 13188         1604        100      43  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1203        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         5155       3346     605  Uninet S.A. de C.V., MX
 10620         3533        538     320  Telmex Colombia S.A., CO
 11830         2656        369      78  Instituto Costarricense de Electricidad
  6503         1670        444      64  Axtel, S.A.B. de C.V., MX
  7303         1507       1026     188  Telecom Argentina S.A., AR
 28573         1039       2248     184  CLARO S.A., BR
  3816         1024        508     130  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147          931        377      31  Telefonica del Peru S.A.A., PE
 11172          922        126      85  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         1166        396      48  LINKdotNET-AS, EG
 37611          888        107       9  Afrihost, ZA
 36903          778        391     137  MT-MPLS, MA
 36992          742       1411      40  ETISALAT-MISR, EG
  8452          641       1730      18  TE-AS TE-AS, EG
 24835          635        818      18  RAYA-AS, EG
 37492          473        470      57  ORANGE-, TN
 29571          458         68      12  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         5155       3346     605  Uninet S.A. de C.V., MX
  4538         4692       4192      74  ERX-CERNET-BKB China Education and Rese
 12479         4614       1610     122  UNI2-AS, ES
  7545         4364        467     460  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 10620         3533        538     320  Telmex Colombia S.A., CO
  6327         3433       1324      82  SHAW - Shaw Communications Inc., CA
 22773         3272       2968     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7552         2966       1153      83  VIETEL-AS-AP Viettel Group, VN
  4766         2863      11135     765  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       4614         4492   UNI2-AS, ES
  7545       4364         3904   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3433         3351   SHAW - Shaw Communications Inc., CA
 10620       3533         3213   Telmex Colombia S.A., CO
 22773       3272         3123   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2966         2883   VIETEL-AS-AP Viettel Group, VN
 11830       2656         2578   Instituto Costarricense de Electricidad y Telec
 45899       2657         2547   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     /14:1096    /15:1897    /16:13374   /17:7948    /18:13788   
/19:25370   /20:39367   /21:45769   /22:87770   /23:71416   /24:396848  
/25:803     /26:606     /27:626     /28:35      /29:20      /30:19      
/31:4       /32:54      

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

   ASN   No of nets  Total ann.  Description
 12479     3355          4614    UNI2-AS, ES
  6327     3220          3433    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 22773     2534          3272    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2060          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     2004          2656    Instituto Costarricense de Electricidad y Telec
  8551     1985          2523    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492     1963          2541    CABLEONE - CABLE ONE, INC., US
 30036     1765          2013    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1601          3533    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)
----------------------------------------------

   1:1613      2:825       4:18        5:2832      6:41        7:1      
   8:1123     12:1874     13:207      14:1767     15:30       16:3      
  17:188      18:54       20:50       23:2458     24:2202     25:2      
  27:2478     31:2033     32:85       35:27       36:508      37:2876   
  38:1490     39:247      40:122      41:3126     42:692      43:1965   
  44:121      45:5105     46:3092     47:204      49:1330     50:1054   
  51:317      52:1071     54:370      55:4        56:12       57:39     
  58:1619     59:993      60:401      61:2112     62:1867     63:1799   
  64:5048     65:2201     66:4657     67:2429     68:1166     69:3274   
  70:1155     71:580      72:2150     74:2713     75:419      76:461    
  77:1571     78:1700     79:1820     80:1533     81:1389     82:1073   
  83:787      84:1070     85:2004     86:564      87:1352     88:923    
  89:2350     90:214      91:6424     92:1253     93:2371     94:2391   
  95:2924     96:774      97:358      98:935      99:133     100:85     
 101:1234    102:170     103:18260   104:3590    105:217     106:746    
 107:1789    108:695     109:3173    110:1630    111:1772    112:1314   
 113:1293    114:1135    115:1653    116:1638    117:1767    118:2207   
 119:1669    120:1006    121:1061    122:2474    123:1760    124:1447   
 125:1920    128:1084    129:666     130:489     131:1643    132:712    
 133:195     134:1018    135:231     136:504     137:650     138:1925   
 139:663     140:477     141:735     142:805     143:1012    144:805    
 145:486     146:1204    147:742     148:1642    149:752     150:741    
 151:1098    152:816     153:320     154:1457    155:798     156:1182   
 157:797     158:654     159:1778    160:1266    161:799     162:2587   
 163:609     164:1063    165:1524    166:458     167:1307    168:3121   
 169:827     170:3796    171:492     172:1006    173:1991    174:905    
 175:761     176:2007    177:4025    178:2542    179:1240    180:2174   
 181:2380    182:2395    183:1239    184:1030    185:13841   186:3568   
 187:2398    188:2883    189:2012    190:8183    191:1371    192:9801   
 193:6095    194:4913    195:3976    196:2657    197:1608    198:5562   
 199:5903    200:7338    201:4971    202:10218   203:10254   204:4575   
 205:2902    206:3174    207:3199    208:3975    209:3989    210:3887   
 211:1977    212:3016    213:2810    214:1050    215:57      216:6041   
 217:2129    218:856     219:584     220:1806    221:994     222:973    
 223:1359   

End of report