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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 15 Dec, 2018

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

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

BGP routing table entries examined:                              729792
    Prefixes after maximum aggregation (per Origin AS):          280875
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      351369
Total ASes present in the Internet Routing Table:                 62704
    Prefixes per ASN:                                             11.64
Origin-only ASes present in the Internet Routing Table:           54098
Origin ASes announcing only one prefix:                           23512
Transit ASes present in the Internet Routing Table:                8606
Transit-only ASes present in the Internet Routing Table:            257
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 16327)                              25
Prefixes from unregistered ASNs in the Routing Table:                39
    Number of instances of unregistered ASNs:                        39
Number of 32-bit ASNs allocated by the RIRs:                      25220
Number of 32-bit ASNs visible in the Routing Table:               20431
Prefixes from 32-bit ASNs in the Routing Table:                   88037
Number of bogon 32-bit ASNs visible in the Routing Table:            19
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            283
Number of addresses announced to Internet:                   2838283681
    Equivalent to 169 /8s, 44 /16s and 197 /24s
    Percentage of available address space announced:               76.7
    Percentage of allocated address space announced:               76.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.1
Total number of prefixes smaller than registry allocations:      243329

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

Prefixes being announced by APNIC Region ASes:                   199478
    Total APNIC prefixes after maximum aggregation:               56775
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          196626
    Unique aggregates announced from the APNIC address blocks:    80923
APNIC Region origin ASes present in the Internet Routing Table:    9308
    APNIC Prefixes per ASN:                                       21.12
APNIC Region origin ASes announcing only one prefix:               2624
APNIC Region transit ASes present in the Internet Routing Table:   1396
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:   4301
Number of APNIC addresses announced to Internet:              768781696
    Equivalent to 45 /8s, 210 /16s and 173 /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:                    216291
    Total ARIN prefixes after maximum aggregation:               102837
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           215591
    Unique aggregates announced from the ARIN address blocks:    103289
ARIN Region origin ASes present in the Internet Routing Table:    18300
    ARIN Prefixes per ASN:                                        11.78
ARIN Region origin ASes announcing only one prefix:                6790
ARIN Region transit ASes present in the Internet Routing Table:    1837
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:    2521
Number of ARIN addresses announced to Internet:              1077171104
    Equivalent to 64 /8s, 52 /16s and 83 /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:                    199126
    Total RIPE prefixes after maximum aggregation:                95113
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           195494
    Unique aggregates announced from the RIPE address blocks:    115857
RIPE Region origin ASes present in the Internet Routing Table:    25706
    RIPE Prefixes per ASN:                                         7.60
RIPE Region origin ASes announcing only one prefix:               11495
RIPE Region transit ASes present in the Internet Routing Table:    3554
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7682
Number of RIPE addresses announced to Internet:               715951232
    Equivalent to 42 /8s, 172 /16s and 140 /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:                   94830
    Total LACNIC prefixes after maximum aggregation:              21899
    LACNIC Deaggregation factor:                                   4.33
Prefixes being announced from the LACNIC address blocks:          96211
    Unique aggregates announced from the LACNIC address blocks:   41976
LACNIC Region origin ASes present in the Internet Routing Table:   7882
    LACNIC Prefixes per ASN:                                      12.21
LACNIC Region origin ASes announcing only one prefix:              2183
LACNIC Region transit ASes present in the Internet Routing Table:  1485
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5427
Number of LACNIC addresses announced to Internet:             173176064
    Equivalent to 10 /8s, 82 /16s and 117 /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:                  20027
    Total AfriNIC prefixes after maximum aggregation:              4219
    AfriNIC Deaggregation factor:                                  4.75
Prefixes being announced from the AfriNIC address blocks:         25587
    Unique aggregates announced from the AfriNIC address blocks:   9058
AfriNIC Region origin ASes present in the Internet Routing Table:  1229
    AfriNIC Prefixes per ASN:                                     20.82
AfriNIC Region origin ASes announcing only one prefix:              420
AfriNIC Region transit ASes present in the Internet Routing Table:  241
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:  500
Number of AfriNIC addresses announced to Internet:            102763264
    Equivalent to 6 /8s, 32 /16s and 11 /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         4654        515     521  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4635       4192      74  ERX-CERNET-BKB China Education and Rese
 45899         2989       1717     114  VNPT-AS-VN VNPT Corp, VN
  7552         2969       1151      89  VIETEL-AS-AP Viettel Group, VN
  4766         2824      11130     770  KIXS-AS-KR Korea Telecom, KR
  9829         2748       1496     551  BSNL-NIB National Internet Backbone, IN
  9808         2480       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2410       4907      31  CTTNET China TieTong Telecommunications
 17974         2257        968      50  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2142        438     176  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         3506       1326      91  SHAW - Shaw Communications Inc., CA
 11492         3478        224     610  CABLEONE - CABLE ONE, INC., US
 22773         3303       2980     175  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2609       5246     972  AMAZON-02 - Amazon.com, Inc., US
 16625         2182       1220    1678  AKAMAI-AS - Akamai Technologies, Inc., 
 20115         2150       2752     535  CHARTER-20115 - Charter Communications,
 18566         2145        405     108  MEGAPATH5-US - MegaPath Corporation, US
 30036         2090        349     129  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  5650         2087       3074    1462  FRONTIER-FRTR - Frontier Communications
   209         2081       5079     596  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         5206       1628     138  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3031        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2606        576    1924  AKAMAI-ASN1, US
 12389         2225       2220     624  ROSTELECOM-AS, RU
 34984         2032        336     534  TELLCOM-AS, TR
  9121         1973       1691      17  TTNET, TR
 13188         1604        100      38  TRIOLAN, UA
  8402         1294        544      18  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1218        355      21  UKRTELNET, UA

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         5464       3320     599  Uninet S.A. de C.V., MX
 10620         3145        476     898  Telmex Colombia S.A., CO
 11830         2678        371      71  Instituto Costarricense de Electricidad
  6503         1662        449      54  Axtel, S.A.B. de C.V., MX
  7303         1435        961     220  Telecom Argentina S.A., AR
 28573         1186       2241     179  CLARO S.A., BR
  6147         1120        377      29  Telefonica del Peru S.A.A., PE
  3816         1023        510     110  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          943        145      69  Alestra, S. de R.L. de C.V., MX
 13999          924        536     267  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         1163        393      24  LINKdotNET-AS, EG
 37611          897        107       9  Afrihost, ZA
 36903          796        400     142  MT-MPLS, MA
 36992          783       1411      44  ETISALAT-MISR, EG
 24835          683        634      21  RAYA-AS, EG
  8452          636       1731      19  TE-AS TE-AS, EG
 29571          474         70      12  ORANGE-COTE-IVOIRE, CI
 37492          459        470      57  ORANGE-, TN
 37342          421         32       1  MOVITEL, MZ
 15399          415         45      11  WANANCHI-, KE

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         5464       3320     599  Uninet S.A. de C.V., MX
 12479         5206       1628     138  UNI2-AS, ES
  7545         4654        515     521  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4635       4192      74  ERX-CERNET-BKB China Education and Rese
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3506       1326      91  SHAW - Shaw Communications Inc., CA
 11492         3478        224     610  CABLEONE - CABLE ONE, INC., US
 22773         3303       2980     175  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3145        476     898  Telmex Colombia S.A., CO
  8551         3031        378      43  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
 12479       5206         5068   UNI2-AS, ES
  4538       4635         4561   ERX-CERNET-BKB China Education and Research Net
  7545       4654         4133   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3506         3415   SHAW - Shaw Communications Inc., CA
 22773       3303         3128   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3031         2988   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       2969         2880   VIETEL-AS-AP Viettel Group, VN
 45899       2989         2875   VNPT-AS-VN VNPT Corp, VN
 11492       3478         2868   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
  65534   PRIVATE      46.46.17.0/24        15638       UTL Ussuriysk, RU
  65534   PRIVATE      46.46.32.0/21        15638       UTL Ussuriysk, RU
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65534   PRIVATE      80.93.96.0/21        15638       UTL Ussuriysk, RU
  65534   PRIVATE      93.88.216.0/22       15638       UTL Ussuriysk, RU
  65534   PRIVATE      93.88.220.0/24       15638       UTL Ussuriysk, RU
  65599   UNALLOCATED  103.14.27.0/24      134813       CYBERCOMM-BD Cyber Communicati
4200058511   PRIVATE      103.111.177.0/24    137522       OERL-AS-AP Origin Energy Retai

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
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
43.255.80.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
43.255.83.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22      134356    UNKNOWN
45.124.164.0/22      38803    GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU

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       /9:11      /10:36      /11:99      /12:291     
/13:568     /14:1123    /15:1908    /16:13344   /17:7885    /18:13872   
/19:25505   /20:39537   /21:46055   /22:90911   /23:74341   /24:411929  
/25:824     /26:655     /27:634     /28:32      /29:19      /30:9       
/31:2       /32:190     

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

   ASN   No of nets  Total ann.  Description
 12479     4059          5206    UNI2-AS, ES
  6327     3270          3506    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2764          3478    CABLEONE - CABLE ONE, INC., US
 22773     2543          3303    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2487          3031    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2040          2145    MEGAPATH5-US - MegaPath Corporation, US
 11830     2023          2678    Instituto Costarricense de Electricidad y Telec
 30036     1839          2090    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1761          2087    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)
----------------------------------------------

   1:1628      2:882       4:18        5:2741      6:43        7:1      
   8:1151     12:1880     13:302      14:1881     15:35       16:3      
  17:206      18:57       20:48       23:2542     24:2418     25:2      
  27:2549     31:2012     32:92       35:31       36:534      37:2977   
  38:1586     39:284      40:120      41:3078     42:730      43:1995   
  44:139      45:6374     46:3059     47:244      49:1325     50:1077   
  51:318      52:1103     54:363      55:1        56:6        57:41     
  58:1698     59:1072     60:457      61:2105     62:1941     63:1809   
  64:5066     65:2180     66:4789     67:2685     68:1154     69:3413   
  70:1145     71:601      72:2261     74:2725     75:412      76:526    
  77:1712     78:1713     79:2208     80:1608     81:1416     82:1060   
  83:822      84:1063     85:2155     86:561      87:1514     88:1007   
  89:2427     90:210      91:6490     92:1254     93:2352     94:2389   
  95:3148     96:905      97:347      98:942      99:169     100:88     
 101:1161    102:313     103:19497   104:3561    105:243     106:890    
 107:1834    108:705     109:3452    110:1635    111:1851    112:1408   
 113:1332    114:1142    115:1717    116:1610    117:1894    118:2210   
 119:1680    120:1126    121:1022    122:2353    123:1619    124:1439   
 125:1954    128:1207    129:688     130:520     131:1627    132:716    
 133:193     134:1043    135:232     136:540     137:672     138:1933   
 139:774     140:573     141:762     142:799     143:1009    144:848    
 145:503     146:1246    147:780     148:1698    149:776     150:800    
 151:989     152:920     153:325     154:2291    155:967     156:1632   
 157:851     158:657     159:1889    160:1483    161:897     162:2669   
 163:769     164:1126    165:1589    166:454     167:1356    168:3176   
 169:869     170:3995    171:499     172:1072    173:2133    174:990    
 175:873     176:2216    177:4059    178:2525    179:1324    180:2092   
 181:2370    182:2626    183:1334    184:1153    185:14445   186:3678   
 187:2527    188:2958    189:2075    190:8312    191:1414    192:9982   
 193:6452    194:5301    195:4033    196:3013    197:1759    198:5684   
 199:5977    200:7509    201:5000    202:10209   203:10226   204:4618   
 205:3015    206:3279    207:3271    208:3933    209:4193    210:3917   
 211:2027    212:3078    213:2813    214:1069    215:53      216:6021   
 217:2187    218:874     219:579     220:1832    221:999     222:976    
 223:1409   

End of report