Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Feb 2 18:03:29 UTC 2018


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 03 Feb, 2018

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

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

BGP routing table entries examined:                              683343
    Prefixes after maximum aggregation (per Origin AS):          264741
    Deaggregation factor:                                          2.58
    Unique aggregates announced (without unneeded subnets):      329756
Total ASes present in the Internet Routing Table:                 59719
    Prefixes per ASN:                                             11.44
Origin-only ASes present in the Internet Routing Table:           51573
Origin ASes announcing only one prefix:                           22679
Transit ASes present in the Internet Routing Table:                8146
Transit-only ASes present in the Internet Routing Table:            249
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 30873)                              32
Prefixes from unregistered ASNs in the Routing Table:                59
    Number of instances of unregistered ASNs:                        60
Number of 32-bit ASNs allocated by the RIRs:                      21370
Number of 32-bit ASNs visible in the Routing Table:               17156
Prefixes from 32-bit ASNs in the Routing Table:                   70940
Number of bogon 32-bit ASNs visible in the Routing Table:            13
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            336
Number of addresses announced to Internet:                   2858256034
    Equivalent to 170 /8s, 93 /16s and 134 /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:               98.8
Total number of prefixes smaller than registry allocations:      225749

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

Prefixes being announced by APNIC Region ASes:                   188424
    Total APNIC prefixes after maximum aggregation:               53664
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          187544
    Unique aggregates announced from the APNIC address blocks:    77378
APNIC Region origin ASes present in the Internet Routing Table:    8617
    APNIC Prefixes per ASN:                                       21.76
APNIC Region origin ASes announcing only one prefix:               2448
APNIC Region transit ASes present in the Internet Routing Table:   1264
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3523
Number of APNIC addresses announced to Internet:              767340322
    Equivalent to 45 /8s, 188 /16s and 175 /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:                    203949
    Total ARIN prefixes after maximum aggregation:                97708
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           204769
    Unique aggregates announced from the ARIN address blocks:     96443
ARIN Region origin ASes present in the Internet Routing Table:    18070
    ARIN Prefixes per ASN:                                        11.33
ARIN Region origin ASes announcing only one prefix:                6682
ARIN Region transit ASes present in the Internet Routing Table:    1797
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:    2301
Number of ARIN addresses announced to Internet:              1108936224
    Equivalent to 66 /8s, 25 /16s and 6 /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:                    184591
    Total RIPE prefixes after maximum aggregation:                89911
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           180884
    Unique aggregates announced from the RIPE address blocks:    108562
RIPE Region origin ASes present in the Internet Routing Table:    24840
    RIPE Prefixes per ASN:                                         7.28
RIPE Region origin ASes announcing only one prefix:               11318
RIPE Region transit ASes present in the Internet Routing Table:    3483
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6610
Number of RIPE addresses announced to Internet:               713614976
    Equivalent to 42 /8s, 136 /16s and 230 /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:                   88114
    Total LACNIC prefixes after maximum aggregation:              19461
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:          89454
    Unique aggregates announced from the LACNIC address blocks:   39866
LACNIC Region origin ASes present in the Internet Routing Table:   6803
    LACNIC Prefixes per ASN:                                      13.15
LACNIC Region origin ASes announcing only one prefix:              1867
LACNIC Region transit ASes present in the Internet Routing Table:  1257
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4331
Number of LACNIC addresses announced to Internet:             172324320
    Equivalent to 10 /8s, 69 /16s and 117 /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:                  18204
    Total AfriNIC prefixes after maximum aggregation:              3951
    AfriNIC Deaggregation factor:                                  4.61
Prefixes being announced from the AfriNIC address blocks:         20356
    Unique aggregates announced from the AfriNIC address blocks:   7237
AfriNIC Region origin ASes present in the Internet Routing Table:  1114
    AfriNIC Prefixes per ASN:                                     18.27
AfriNIC Region origin ASes announcing only one prefix:              363
AfriNIC Region transit ASes present in the Internet Routing Table:  223
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:  391
Number of AfriNIC addresses announced to Internet:             95656192
    Equivalent to 5 /8s, 179 /16s and 153 /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         5429       4195      92  ERX-CERNET-BKB China Education and Rese
  7545         3752        406     407  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2878      11132     769  KIXS-AS-KR Korea Telecom, KR
  9829         2770       1499     539  BSNL-NIB National Internet Backbone, IN
 17974         2767        934      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9394         2635       4923      27  CTTNET China TieTong Telecommunications
  7552         2615       1160      65  VIETEL-AS-AP Viettel Group, VN
 45899         2580       1550     154  VNPT-AS-VN VNPT Corp, VN
  9808         2166       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2088        417     209  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         3385       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3265       2951     144  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2167        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2081       2367     437  CHARTER-NET-HKY-NC - Charter Communicat
 16509         1999       4162     575  AMAZON-02 - Amazon.com, Inc., US
  6389         1938       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
   209         1912       5059     619  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1894        334     214  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1735        231     557  CABLEONE - CABLE ONE, INC., US
  7018         1681      20183    1248  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         3520        187      21  ALJAWWALSTC-AS, SA
 20940         2837        832    2057  AKAMAI-ASN1, US
  8551         2232        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12479         2211       1123     272  UNI2-AS, ES
 12389         2120       1859     701  ROSTELECOM-AS, RU
 34984         2002        332     474  TELLCOM-AS, TR
  9121         1936       1691      17  TTNET, TR
 13188         1605        100      46  TRIOLAN, UA
  8402         1281        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1240        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         4143       3386     590  Uninet S.A. de C.V., MX
 10620         3595        542     237  Telmex Colombia S.A., CO
 11830         2636        370      66  Instituto Costarricense de Electricidad
  6503         1629        437      53  Axtel, S.A.B. de C.V., MX
  7303         1505       1025     192  Telecom Argentina S.A., AR
  6147         1030        377      27  Telefonica del Peru S.A.A., PE
 28573         1016       2242     191  CLARO S.A., BR
  3816         1014        509     114  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          920        126      85  Alestra, S. de R.L. de C.V., MX
 18881          906       1067      28  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         1192        398      50  LINKdotNET-AS, EG
 37611          789         91       8  Afrihost, ZA
 36903          739        371     135  MT-MPLS, MA
 36992          672       1380      37  ETISALAT-MISR, EG
  8452          565       1730      18  TE-AS TE-AS, EG
 24835          478        786      17  RAYA-AS, EG
 29571          462         68      12  ORANGE-COTE-IVOIRE, CI
 37492          450        368      78  ORANGE-, TN
 37342          360         32       1  MOVITEL, MZ
 15399          355         35       7  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
  4538         5429       4195      92  ERX-CERNET-BKB China Education and Rese
  8151         4143       3386     590  Uninet S.A. de C.V., MX
  7545         3752        406     407  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3595        542     237  Telmex Colombia S.A., CO
 39891         3520        187      21  ALJAWWALSTC-AS, SA
  6327         3385       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3265       2951     144  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2878      11132     769  KIXS-AS-KR Korea Telecom, KR
 20940         2837        832    2057  AKAMAI-ASN1, US
  9829         2770       1499     539  BSNL-NIB National Internet Backbone, IN

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

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

  ASN   No of nets  Net Savings  Description
  8151       4143         3553   Uninet S.A. de C.V., MX
 39891       3520         3499   ALJAWWALSTC-AS, SA
 10620       3595         3358   Telmex Colombia S.A., CO
  7545       3752         3345   TPG-INTERNET-AP TPG Telecom Limited, AU
  6327       3385         3299   SHAW - Shaw Communications Inc., CA
 22773       3265         3121   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 17974       2767         2690   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9394       2635         2608   CTTNET China TieTong Telecommunications Corpora
 11830       2636         2570   Instituto Costarricense de Electricidad y Telec
  7552       2615         2550   VIETEL-AS-AP Viettel Group, 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
  65249   PRIVATE      5.42.234.0/23        35753       ITC ITC AS number, SA
  65249   PRIVATE      5.42.234.0/24        35753       ITC ITC AS number, SA
  65456   PRIVATE      31.171.126.0/23     199311       AZRT-LX Local Internet Exchang
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  65024   PRIVATE      87.103.234.0/24      39407       CHITATELECOM-AS, RU
  65000   PRIVATE      95.179.2.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.3.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.69.0/24       65001       -Private Use AS-, ZZ

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
23.159.192.0/24      54726    AET - AET Hosting Solutions, Inc., US
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

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       /9:12      /10:37      /11:100     /12:290     
/13:563     /14:1092    /15:1895    /16:13330   /17:7774    /18:13638   
/19:25295   /20:38825   /21:44967   /22:83912   /23:67887   /24:381470  
/25:840     /26:605     /27:658     /28:36      /29:20      /30:18      
/31:4       /32:60      

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

   ASN   No of nets  Total ann.  Description
  6327     3177          3385    SHAW - Shaw Communications Inc., CA
 39891     2946          3520    ALJAWWALSTC-AS, SA
 22773     2528          3265    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2061          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     1981          2636    Instituto Costarricense de Electricidad y Telec
  8551     1696          2232    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1654          1894    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1587          3595    Telmex Colombia S.A., CO
 11492     1516          1735    CABLEONE - CABLE ONE, INC., US
  9121     1420          1936    TTNET, TR

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

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

   1:1575      2:846       4:18        5:2649      6:58        8:1094   
   9:1        12:1849     13:198      14:1757     15:26       16:3      
  17:184      18:65       20:49       21:3        23:2538     24:2057   
  25:2        27:2357     31:1954     32:88       35:23       36:486    
  37:2538     38:1451     39:243      40:100      41:3065     42:539    
  43:1952     44:93       45:3618     46:3035     47:197      49:1378   
  50:1039     51:47       52:941      54:350      55:4        56:7      
  57:42       58:1584     59:1013     60:388      61:2053     62:1820   
  63:1813     64:4693     65:2228     66:4493     67:2350     68:1175   
  69:3193     70:1135     71:560      72:2084     74:2665     75:398    
  76:420      77:1546     78:1642     79:1683     80:1480     81:1401   
  82:1056     83:786      84:994      85:1975     86:555      87:1233   
  88:905      89:2335     90:178      91:6280     92:1163     93:2373   
  94:2392     95:2719     96:645      97:358      98:928      99:114    
 100:79      101:1513    102:16      103:17026   104:3272    105:210    
 106:523     107:1806    108:704     109:2960    110:1574    111:1775   
 112:1294    113:1388    114:1113    115:1583    116:1644    117:1700   
 118:2207    119:1683    120:957     121:1050    122:2465    123:1803   
 124:1458    125:1838    128:1020    129:598     130:440     131:1638   
 132:597     133:194     134:1003    135:227     136:437     137:474    
 138:1958    139:557     140:401     141:682     142:778     143:989    
 144:799     145:446     146:1161    147:745     148:1503    149:710    
 150:735     151:981     152:763     153:310     154:979     155:752    
 156:818     157:774     158:613     159:1610    160:858     161:728    
 162:2557    163:521     164:1223    165:1359    166:395     167:1405   
 168:3126    169:797     170:3663    171:407     172:1017    173:1903   
 174:878     175:762     176:1879    177:3912    178:2416    179:1173   
 180:2233    181:2128    182:2446    183:1102    184:906     185:12330  
 186:3441    187:2343    188:2628    189:2007    190:8116    191:1286   
 192:9767    193:5875    194:4772    195:3989    196:2352    197:1435   
 198:5540    199:5911    200:7295    201:4877    202:10394   203:9984   
 204:4533    205:2850    206:3054    207:3111    208:4018    209:3921   
 210:4019    211:2143    212:2962    213:2617    214:895     215:62     
 216:5831    217:2125    218:901     219:624     220:1734    221:995    
 222:1050    223:1231   

End of report



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