Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Dec 15 18:03:03 CST 2017


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, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

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

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

Routing Table Report   04:00 +10GMT Sat 16 Dec, 2017

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

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

BGP routing table entries examined:                              676159
    Prefixes after maximum aggregation (per Origin AS):          262688
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      326764
Total ASes present in the Internet Routing Table:                 59345
    Prefixes per ASN:                                             11.39
Origin-only ASes present in the Internet Routing Table:           51252
Origin ASes announcing only one prefix:                           22555
Transit ASes present in the Internet Routing Table:                8093
Transit-only ASes present in the Internet Routing Table:            247
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 29046)                              25
Prefixes from unregistered ASNs in the Routing Table:                91
    Number of instances of unregistered ASNs:                        91
Number of 32-bit ASNs allocated by the RIRs:                      20920
Number of 32-bit ASNs visible in the Routing Table:               16742
Prefixes from 32-bit ASNs in the Routing Table:                   68962
Number of bogon 32-bit ASNs visible in the Routing Table:             9
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            337
Number of addresses announced to Internet:                   2862933666
    Equivalent to 170 /8s, 164 /16s and 230 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.8
Total number of prefixes smaller than registry allocations:      223719

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

Prefixes being announced by APNIC Region ASes:                   186197
    Total APNIC prefixes after maximum aggregation:               53271
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          185348
    Unique aggregates announced from the APNIC address blocks:    77122
APNIC Region origin ASes present in the Internet Routing Table:    8531
    APNIC Prefixes per ASN:                                       21.73
APNIC Region origin ASes announcing only one prefix:               2393
APNIC Region transit ASes present in the Internet Routing Table:   1241
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3407
Number of APNIC addresses announced to Internet:              768617250
    Equivalent to 45 /8s, 208 /16s and 43 /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:                    202148
    Total ARIN prefixes after maximum aggregation:                97202
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           203461
    Unique aggregates announced from the ARIN address blocks:     95201
ARIN Region origin ASes present in the Internet Routing Table:    18038
    ARIN Prefixes per ASN:                                        11.28
ARIN Region origin ASes announcing only one prefix:                6676
ARIN Region transit ASes present in the Internet Routing Table:    1779
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2278
Number of ARIN addresses announced to Internet:              1112144416
    Equivalent to 66 /8s, 73 /16s and 250 /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:                    182309
    Total RIPE prefixes after maximum aggregation:                88877
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           178242
    Unique aggregates announced from the RIPE address blocks:    107405
RIPE Region origin ASes present in the Internet Routing Table:    24734
    RIPE Prefixes per ASN:                                         7.21
RIPE Region origin ASes announcing only one prefix:               11311
RIPE Region transit ASes present in the Internet Routing Table:    3509
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6493
Number of RIPE addresses announced to Internet:               713990528
    Equivalent to 42 /8s, 142 /16s and 161 /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:                   87494
    Total LACNIC prefixes after maximum aggregation:              19347
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          88757
    Unique aggregates announced from the LACNIC address blocks:   39572
LACNIC Region origin ASes present in the Internet Routing Table:   6657
    LACNIC Prefixes per ASN:                                      13.33
LACNIC Region origin ASes announcing only one prefix:              1810
LACNIC Region transit ASes present in the Internet Routing Table:  1231
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        29
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4183
Number of LACNIC addresses announced to Internet:             172655072
    Equivalent to 10 /8s, 74 /16s and 129 /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:                  17918
    Total AfriNIC prefixes after maximum aggregation:              3921
    AfriNIC Deaggregation factor:                                  4.57
Prefixes being announced from the AfriNIC address blocks:         20014
    Unique aggregates announced from the AfriNIC address blocks:   7188
AfriNIC Region origin ASes present in the Internet Routing Table:  1110
    AfriNIC Prefixes per ASN:                                     18.03
AfriNIC Region origin ASes announcing only one prefix:              364
AfriNIC Region transit ASes present in the Internet Routing Table:  221
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  381
Number of AfriNIC addresses announced to Internet:             95105280
    Equivalent to 5 /8s, 171 /16s and 49 /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         5422       4194      86  ERX-CERNET-BKB China Education and Rese
  7545         4050        409     403  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2802      11129     760  KIXS-AS-KR Korea Telecom, KR
 17974         2780        918      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2767       1499     540  BSNL-NIB National Internet Backbone, IN
 45899         2522       1530     155  VNPT-AS-VN VNPT Corp, VN
  7552         2340       1158      56  VIETEL-AS-AP Viettel Group, VN
  9394         2169       4931      27  CTTNET China TieTong Telecommunications
  9808         2101       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2085        421     212  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         3347       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3304       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2169        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2060       2299     467  CHARTER-NET-HKY-NC - Charter Communicat
  6389         1960       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 16509         1954       4077     581  AMAZON-02 - Amazon.com, Inc., US
   209         1935       5062     645  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1863        331     249  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1706        235     576  CABLEONE - CABLE ONE, INC., US
  7018         1689      20578    1063  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
 39891         3519        186      23  ALJAWWALSTC-AS, SA
 20940         2855        848    2060  AKAMAI-ASN1, US
  8551         2482        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2065        331     445  TELLCOM-AS, TR
 12389         2060       1801     679  ROSTELECOM-AS, RU
 12479         1962       1068     127  UNI2-AS, ES
  9121         1880       1691      17  TTNET, TR
 13188         1605        100      46  TRIOLAN, UA
  6849         1227        355      21  UKRTELNET, UA
  8402         1215        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         3647       3467     599  Uninet S.A. de C.V., MX
 10620         3586        542     245  Telmex Colombia S.A., CO
 11830         2628        370      66  Instituto Costarricense de Electricidad
  6503         1617        437      53  Axtel, S.A.B. de C.V., MX
  7303         1498       1022     194  Telecom Argentina S.A., AR
  6147         1219        377      27  Telefonica del Peru S.A.A., PE
 28573         1017       2259     190  CLARO S.A., BR
  3816         1014        509     114  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          918        126      85  Alestra, S. de R.L. de C.V., MX
 18881          904       1065      27  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         1199        398      48  LINKdotNET-AS, EG
 37611          777         91       8  Afrihost, ZA
 36903          737        370     135  MT-MPLS, MA
 36992          678       1383      31  ETISALAT-MISR, EG
  8452          533       1730      18  TE-AS TE-AS, EG
 24835          517        850      15  RAYA-AS, EG
 29571          443         36      13  CITelecom-AS, CI
 37492          435        367      77  ORANGE-, TN
 15399          349         35       7  WANANCHI-, KE
 37342          343         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
  4538         5422       4194      86  ERX-CERNET-BKB China Education and Rese
  7545         4050        409     403  TPG-INTERNET-AP TPG Telecom Limited, AU
  8151         3647       3467     599  Uninet S.A. de C.V., MX
 10620         3586        542     245  Telmex Colombia S.A., CO
 39891         3519        186      23  ALJAWWALSTC-AS, SA
  6327         3347       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3304       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 20940         2855        848    2060  AKAMAI-ASN1, US
  4766         2802      11129     760  KIXS-AS-KR Korea Telecom, KR
 17974         2780        918      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo

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

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

  ASN   No of nets  Net Savings  Description
  7545       4050         3647   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3519         3496   ALJAWWALSTC-AS, SA
 10620       3586         3341   Telmex Colombia S.A., CO
  6327       3347         3261   SHAW - Shaw Communications Inc., CA
 22773       3304         3158   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8151       3647         3048   Uninet S.A. de C.V., MX
 17974       2780         2703   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
 11830       2628         2562   Instituto Costarricense de Electricidad y Telec
  8551       2482         2440   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 45899       2522         2367   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
  64710   PRIVATE      39.134.26.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.28.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.30.0/24       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.31.0/24       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.137.20.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.137.22.0/24       56042       CMNET-SHANXI-AP China Mobile c
  64525   PRIVATE      45.119.143.0/24     133275       GIGANTIC-AS Gigantic Infotel P
  64525   PRIVATE      45.125.62.0/24      133275       GIGANTIC-AS Gigantic Infotel P
  65530   PRIVATE      45.249.40.0/24      133720       SOFTCALLCOC-AS SOFT CALL CUST-
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom

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

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
14.128.14.0/23       10247    NETLINE, ZA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN
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
43.251.84.0/23      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        /8:15       /9:13      /10:36      /11:106     /12:286     
/13:561     /14:1088    /15:1895    /16:13387   /17:7796    /18:13669   
/19:25275   /20:39006   /21:44020   /22:82375   /23:67242   /24:377177  
/25:827     /26:602     /27:645     /28:36      /29:21      /30:17      
/31:4       /32:60      

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

   ASN   No of nets  Total ann.  Description
  6327     3139          3347    SHAW - Shaw Communications Inc., CA
 39891     2946          3519    ALJAWWALSTC-AS, SA
 22773     2549          3304    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2063          2169    MEGAPATH5-US - MegaPath Corporation, US
 11830     1974          2628    Instituto Costarricense de Electricidad y Telec
  8551     1946          2482    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1630          1863    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1574          3586    Telmex Colombia S.A., CO
 11492     1506          1706    CABLEONE - CABLE ONE, INC., US
 34984     1382          2065    TELLCOM-AS, TR

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

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

   1:1571      2:824       4:18        5:2625      6:39        8:1090   
   9:1        12:1856     13:183      14:1750     15:29       16:3      
  17:185      18:76       20:54       21:12       23:2475     24:1928   
  25:2        27:2355     31:1970     32:87       35:22       36:452    
  37:2467     38:1451     39:164      40:101      41:3041     42:526    
  43:1948     44:88       45:3406     46:2869     47:191      49:1376   
  50:1042     51:47       52:915      54:354      55:5        56:7      
  57:43       58:1577     59:1005     60:366      61:1997     62:1765   
  63:1831     64:4624     65:2243     66:4490     67:2304     68:1189   
  69:3165     70:1133     71:586      72:2096     74:2686     75:391    
  76:422      77:1549     78:1570     79:1910     80:1453     81:1421   
  82:1066     83:754      84:1007     85:1938     86:484      87:1207   
  88:901      89:2317     90:174      91:6257     92:1025     93:2355   
  94:2431     95:2713     96:669      97:354      98:963      99:107    
 100:153     101:1526    102:9       103:16432   104:3201    105:211    
 106:516     107:1787    108:820     109:2898    110:1508    111:1729   
 112:1284    113:1376    114:1089    115:1607    116:1702    117:1638   
 118:2194    119:1651    120:909     121:1052    122:2404    123:1869   
 124:1482    125:1827    128:961     129:579     130:442     131:1642   
 132:593     133:193     134:989     135:229     136:443     137:454    
 138:1980    139:556     140:388     141:680     142:769     143:929    
 144:790     145:192     146:1148    147:682     148:1490    149:633    
 150:716     151:1002    152:747     153:303     154:972     155:744    
 156:741     157:738     158:602     159:1640    160:851     161:732    
 162:2542    163:530     164:954     165:1481    166:395     167:1345   
 168:3119    169:795     170:3632    171:402     172:1017    173:1900   
 174:841     175:771     176:1892    177:3999    178:2496    179:1154   
 180:2241    181:2129    182:2420    183:1026    184:889     185:11802  
 186:3447    187:2323    188:2618    189:1938    190:8209    191:1364   
 192:9721    193:5857    194:4752    195:3980    196:2296    197:1423   
 198:5547    199:5881    200:7175    201:4892    202:10425   203:9960   
 204:4557    205:2863    206:3059    207:3089    208:3987    209:3935   
 210:3982    211:2146    212:2892    213:2598    214:863     215:65     
 216:5725    217:2102    218:918     219:631     220:1693    221:977    
 222:737     223:1211   

End of report


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