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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 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 02 Mar, 2019

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

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

BGP routing table entries examined:                              738919
    Prefixes after maximum aggregation (per Origin AS):          285184
    Deaggregation factor:                                          2.59
    Unique aggregates announced (without unneeded subnets):      355932
Total ASes present in the Internet Routing Table:                 63421
    Prefixes per ASN:                                             11.65
Origin-only ASes present in the Internet Routing Table:           54634
Origin ASes announcing only one prefix:                           23613
Transit ASes present in the Internet Routing Table:                8787
Transit-only ASes present in the Internet Routing Table:            273
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      32
    Max AS path prepend of ASN ( 16327)                              25
Prefixes from unregistered ASNs in the Routing Table:                28
    Number of instances of unregistered ASNs:                        31
Number of 32-bit ASNs allocated by the RIRs:                      25985
Number of 32-bit ASNs visible in the Routing Table:               21159
Prefixes from 32-bit ASNs in the Routing Table:                   92373
Number of bogon 32-bit ASNs visible in the Routing Table:            26
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            250
Number of addresses announced to Internet:                   2843232227
    Equivalent to 169 /8s, 120 /16s and 71 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.2
Total number of prefixes smaller than registry allocations:      247641

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

Prefixes being announced by APNIC Region ASes:                   200962
    Total APNIC prefixes after maximum aggregation:               57781
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          197911
    Unique aggregates announced from the APNIC address blocks:    81748
APNIC Region origin ASes present in the Internet Routing Table:    9492
    APNIC Prefixes per ASN:                                       20.85
APNIC Region origin ASes announcing only one prefix:               2667
APNIC Region transit ASes present in the Internet Routing Table:   1411
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4489
Number of APNIC addresses announced to Internet:              769995650
    Equivalent to 45 /8s, 229 /16s and 51 /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:                    218584
    Total ARIN prefixes after maximum aggregation:               103553
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           217591
    Unique aggregates announced from the ARIN address blocks:    104294
ARIN Region origin ASes present in the Internet Routing Table:    18393
    ARIN Prefixes per ASN:                                        11.83
ARIN Region origin ASes announcing only one prefix:                6848
ARIN Region transit ASes present in the Internet Routing Table:    1856
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2592
Number of ARIN addresses announced to Internet:              1079214496
    Equivalent to 64 /8s, 83 /16s and 129 /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:                    203010
    Total RIPE prefixes after maximum aggregation:                96936
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           199408
    Unique aggregates announced from the RIPE address blocks:    118435
RIPE Region origin ASes present in the Internet Routing Table:    25858
    RIPE Prefixes per ASN:                                         7.71
RIPE Region origin ASes announcing only one prefix:               11480
RIPE Region transit ASes present in the Internet Routing Table:    3630
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7871
Number of RIPE addresses announced to Internet:               717032640
    Equivalent to 42 /8s, 189 /16s and 12 /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:                   95662
    Total LACNIC prefixes after maximum aggregation:              22643
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:          97031
    Unique aggregates announced from the LACNIC address blocks:   42029
LACNIC Region origin ASes present in the Internet Routing Table:   8133
    LACNIC Prefixes per ASN:                                      11.93
LACNIC Region origin ASes announcing only one prefix:              2188
LACNIC Region transit ASes present in the Internet Routing Table:  1529
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5681
Number of LACNIC addresses announced to Internet:             173345536
    Equivalent to 10 /8s, 85 /16s and 11 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-270748 + 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:                  20672
    Total AfriNIC prefixes after maximum aggregation:              4249
    AfriNIC Deaggregation factor:                                  4.87
Prefixes being announced from the AfriNIC address blocks:         26728
    Unique aggregates announced from the AfriNIC address blocks:   9203
AfriNIC Region origin ASes present in the Internet Routing Table:  1253
    AfriNIC Prefixes per ASN:                                     21.33
AfriNIC Region origin ASes announcing only one prefix:              430
AfriNIC Region transit ASes present in the Internet Routing Table:  252
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  526
Number of AfriNIC addresses announced to Internet:            103380224
    Equivalent to 6 /8s, 41 /16s and 117 /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
  7545         4662        542     545  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4656       4192      74  ERX-CERNET-BKB China Education and Rese
  7552         3096       1241      50  VIETEL-AS-AP Viettel Group, VN
 45899         3044       1737     111  VNPT-AS-VN VNPT Corp, VN
  4766         2813      11125     769  KIXS-AS-KR Korea Telecom, KR
  9829         2752       1496     552  BSNL-NIB National Internet Backbone, IN
  9808         2429       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2345       4906      29  CTTNET China TieTong Telecommunications
  4755         2146        422     180  TATACOMM-AS TATA Communications formerl
 17974         2009        968      50  TELKOMNET-AS2-AP PT Telekomunikasi Indo

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         3611       1326      93  SHAW - Shaw Communications Inc., CA
 11492         3524        228     608  CABLEONE - CABLE ONE, INC., US
 22773         3306       2977     165  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2501       5370    1060  AMAZON-02 - Amazon.com, Inc., US
 16625         2282       1268    1750  AKAMAI-AS - Akamai Technologies, Inc., 
 20115         2147       2739     544  CHARTER-20115 - Charter Communications,
 18566         2123        405     108  MEGAPATH5-US - MegaPath Corporation, US
 30036         2115        351     192  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  5650         2091       3074    1462  FRONTIER-FRTR - Frontier Communications
   209         2081       5094     583  CENTURYLINK-US-LEGACY-QWEST - CenturyLi

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         5371       1626     137  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3035        378      44  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2634        545    1911  AKAMAI-ASN1, US
 12389         2226       2221     637  ROSTELECOM-AS, RU
 34984         2061        341     537  TELLCOM-AS, TR
  9121         1681       1692      18  TTNET, TR
 13188         1604        100      46  TRIOLAN, UA
  9009         1343        145     746  M247, GB
  8402         1305        545      15  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         5587       3331     591  Uninet S.A. de C.V., MX
 10620         2749        412    1054  Telmex Colombia S.A., CO
 11830         2702        384      34  Instituto Costarricense de Electricidad
  6503         1507        433      54  Axtel, S.A.B. de C.V., MX
  7303         1430        961     231  Telecom Argentina S.A., AR
 28573         1301       2246     186  CLARO S.A., BR
  6147         1270        377      28  Telefonica del Peru S.A.A., PE
  3816         1022        506     114  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          931        144      66  Alestra, S. de R.L. de C.V., MX
 13999          929        517     243  Mega Cable, S.A. de C.V., MX

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         1202        393      21  LINKdotNET-AS, EG
 37611          929        107       9  Afrihost, ZA
 24835          848        636      22  RAYA-AS, EG
 36903          827        416     125  MT-MPLS, MA
 36992          811       1534      59  ETISALAT-MISR, EG
  8452          689       1731      20  TE-AS TE-AS, EG
 29571          484         70      13  ORANGE-COTE-IVOIRE, CI
 37492          470        470      57  ORANGE-, TN
 15399          429         45      11  WANANCHI-, KE
 37342          420         32       1  MOVITEL, MZ

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

Global Per AS prefix count summary
----------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  8151         5587       3331     591  Uninet S.A. de C.V., MX
 12479         5371       1626     137  UNI2-AS, ES
  7545         4662        542     545  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4656       4192      74  ERX-CERNET-BKB China Education and Rese
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3611       1326      93  SHAW - Shaw Communications Inc., CA
 11492         3524        228     608  CABLEONE - CABLE ONE, INC., US
 22773         3306       2977     165  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7552         3096       1241      50  VIETEL-AS-AP Viettel Group, VN
 45899         3044       1737     111  VNPT-AS-VN VNPT Corp, VN

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

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

  ASN   No of nets  Net Savings  Description
 12479       5371         5234   UNI2-AS, ES
  4538       4656         4582   ERX-CERNET-BKB China Education and Research Net
  7545       4662         4117   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3611         3518   SHAW - Shaw Communications Inc., CA
 22773       3306         3141   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       3096         3046   VIETEL-AS-AP Viettel Group, VN
  8551       3035         2991   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 45899       3044         2933   VNPT-AS-VN VNPT Corp, VN
 11492       3524         2916   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
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  65550   DOCUMENT     81.8.34.0/24         15924       BORUSANTELEKOM-AS, TR
  65550   DOCUMENT     81.8.35.0/24         15924       BORUSANTELEKOM-AS, TR
1358592   UNALLOCATED  103.134.14.0/23      63956       COLO-AS-AP Colocation Australi
1358592   UNALLOCATED  103.134.15.0/24      63956       COLO-AS-AP Colocation Australi
  65549   DOCUMENT     117.239.163.0/24     65544       UNKNOWN
 224413   UNALLOCATED  131.221.136.0/24    264413       Conecta Telecom Ltda, BR
  64339   UNALLOCATED  143.0.108.0/22       18747       IFX18747 - IFX Corporation, US
  64355   UNALLOCATED  156.40.196.0/24      30387       NIH-NET-NCCS - National Instit

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
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
27.126.156.0/22      55827    UNKNOWN
27.126.156.0/23      55827    UNKNOWN
27.126.158.0/23      55827    UNKNOWN
41.76.136.0/22       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
41.220.48.0/20       36900    -Reserved AS-, ZZ
43.255.80.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US

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        /8:12       /9:10      /10:36      /11:100     /12:291     
/13:567     /14:1134    /15:1907    /16:13363   /17:7914    /18:13889   
/19:25651   /20:39785   /21:46161   /22:92355   /23:75415   /24:417393  
/25:956     /26:842     /27:892     /28:27      /29:7       /30:15      
/31:0       /32:197     

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

   ASN   No of nets  Total ann.  Description
 12479     4251          5371    UNI2-AS, ES
  6327     3383          3611    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2771          3524    CABLEONE - CABLE ONE, INC., US
 22773     2546          3306    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2490          3035    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     2047          2702    Instituto Costarricense de Electricidad y Telec
 18566     2018          2123    MEGAPATH5-US - MegaPath Corporation, US
 30036     1862          2115    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1761          2091    FRONTIER-FRTR - Frontier Communications of Amer

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

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

   1:1607      2:890       4:22        5:2778      6:45        7:1      
   8:1179     12:1858     13:313      14:1914     15:39       16:4      
  17:226      18:58       20:49       23:2577     24:2522     25:2      
  27:2544     31:2071     32:94       35:36       36:834      37:3029   
  38:1692     39:295      40:121      41:3158     42:745      43:2003   
  44:144      45:6815     46:3228     47:250      49:1365     50:1095   
  51:322      52:1025     54:289      55:1        56:6        57:40     
  58:1708     59:1073     60:501      61:2058     62:1988     63:1800   
  64:4994     65:2189     66:4824     67:2701     68:1165     69:3545   
  70:1326     71:601      72:2383     74:2759     75:516      76:546    
  77:1710     78:1760     79:2319     80:1686     81:1448     82:1128   
  83:865      84:1098     85:2205     86:547      87:1549     88:1027   
  89:2429     90:217      91:6579     92:1273     93:2480     94:2521   
  95:3230     96:918      97:346      98:945      99:206     100:88     
 101:1153    102:422     103:20142   104:3508    105:248     106:885    
 107:1755    108:700     109:3482    110:1631    111:1876    112:1410   
 113:1406    114:1135    115:1719    116:1706    117:1873    118:2144   
 119:1624    120:1019    121:1032    122:2284    123:1643    124:1455   
 125:1962    128:1251    129:831     130:526     131:1627    132:731    
 133:218     134:1051    135:242     136:556     137:711     138:2018   
 139:846     140:575     141:840     142:795     143:1045    144:838    
 145:510     146:1262    147:792     148:1692    149:797     150:780    
 151:1010    152:1017    153:323     154:2618    155:867     156:1738   
 157:923     158:669     159:1924    160:1513    161:917     162:2674   
 163:792     164:1131    165:1577    166:428     167:1395    168:3276   
 169:870     170:4013    171:562     172:1104    173:2185    174:1017   
 175:896     176:2315    177:3994    178:2540    179:1334    180:2100   
 181:2406    182:2698    183:1068    184:1168    185:14814   186:3767   
 187:2424    188:2908    189:1967    190:8357    191:1407    192:10047  
 193:6588    194:5384    195:4055    196:2979    197:1640    198:5798   
 199:5979    200:7196    201:5068    202:10186   203:10197   204:4613   
 205:2972    206:3239    207:3283    208:3974    209:4232    210:3930   
 211:1991    212:3062    213:2903    214:1086    215:54      216:5968   
 217:2210    218:920     219:581     220:1869    221:966     222:998    
 223:1434   

End of report