[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Feb 17 18:02:30 UTC 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, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG 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 18 Feb, 2017

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

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

BGP routing table entries examined:                              635871
    Prefixes after maximum aggregation (per Origin AS):          247826
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      306367
Total ASes present in the Internet Routing Table:                 56267
    Prefixes per ASN:                                             11.30
Origin-only ASes present in the Internet Routing Table:           48704
Origin ASes announcing only one prefix:                           21704
Transit ASes present in the Internet Routing Table:                7563
Transit-only ASes present in the Internet Routing Table:            208
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      41
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                71
    Numnber of instances of unregistered ASNs:                       72
Number of 32-bit ASNs allocated by the RIRs:                      17355
Number of 32-bit ASNs visible in the Routing Table:               13507
Prefixes from 32-bit ASNs in the Routing Table:                   54157
Number of bogon 32-bit ASNs visible in the Routing Table:            47
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            416
Number of addresses announced to Internet:                   2833030564
    Equivalent to 168 /8s, 220 /16s and 157 /24s
    Percentage of available address space announced:               76.5
    Percentage of allocated address space announced:               76.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.4
Total number of prefixes smaller than registry allocations:      212477

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

Prefixes being announced by APNIC Region ASes:                   173711
    Total APNIC prefixes after maximum aggregation:               49697
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          173034
    Unique aggregates announced from the APNIC address blocks:    71428
APNIC Region origin ASes present in the Internet Routing Table:    7873
    APNIC Prefixes per ASN:                                       21.98
APNIC Region origin ASes announcing only one prefix:               2196
APNIC Region transit ASes present in the Internet Routing Table:   1127
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         41
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2702
Number of APNIC addresses announced to Internet:              760465540
    Equivalent to 45 /8s, 83 /16s and 200 /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:                    193535
    Total ARIN prefixes after maximum aggregation:                92922
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           195954
    Unique aggregates announced from the ARIN address blocks:     89899
ARIN Region origin ASes present in the Internet Routing Table:    17786
    ARIN Prefixes per ASN:                                        11.02
ARIN Region origin ASes announcing only one prefix:                6632
ARIN Region transit ASes present in the Internet Routing Table:    1762
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:    1774
Number of ARIN addresses announced to Internet:              1104178336
    Equivalent to 65 /8s, 208 /16s and 108 /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:                    170001
    Total RIPE prefixes after maximum aggregation:                83919
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           165322
    Unique aggregates announced from the RIPE address blocks:     99924
RIPE Region origin ASes present in the Internet Routing Table:    23702
    RIPE Prefixes per ASN:                                         6.98
RIPE Region origin ASes announcing only one prefix:               10974
RIPE Region transit ASes present in the Internet Routing Table:    3356
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5566
Number of RIPE addresses announced to Internet:               709624448
    Equivalent to 42 /8s, 76 /16s and 2 /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:                   82075
    Total LACNIC prefixes after maximum aggregation:              17546
    LACNIC Deaggregation factor:                                   4.68
Prefixes being announced from the LACNIC address blocks:          83205
    Unique aggregates announced from the LACNIC address blocks:   37958
LACNIC Region origin ASes present in the Internet Routing Table:   5653
    LACNIC Prefixes per ASN:                                      14.72
LACNIC Region origin ASes announcing only one prefix:              1575
LACNIC Region transit ASes present in the Internet Routing Table:  1042
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        36
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3173
Number of LACNIC addresses announced to Internet:             170727680
    Equivalent to 10 /8s, 45 /16s and 25 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-266652 + 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:                  16444
    Total AfriNIC prefixes after maximum aggregation:              3685
    AfriNIC Deaggregation factor:                                  4.46
Prefixes being announced from the AfriNIC address blocks:         17940
    Unique aggregates announced from the AfriNIC address blocks:   6794
AfriNIC Region origin ASes present in the Internet Routing Table:  1020
    AfriNIC Prefixes per ASN:                                     17.59
AfriNIC Region origin ASes announcing only one prefix:              327
AfriNIC Region transit ASes present in the Internet Routing Table:  193
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  292
Number of AfriNIC addresses announced to Internet:             87572736
    Equivalent to 5 /8s, 56 /16s and 65 /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         5546       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3731        391     257  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2985        905      71  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2734      11133     745  KIXS-AS-KR Korea Telecom, KR
  9829         2699       1499     541  BSNL-NIB National Internet Backbone, IN
  9808         2282       8698      33  CMNET-GD Guangdong Mobile Communication
  4755         2053        420     217  TATACOMM-AS TATA Communications formerl
 45899         1857       1299     103  VNPT-AS-VN VNPT Corp, VN
  4808         1636       1785     447  CHINA169-BJ China Unicom Beijing Provin
 24560         1566        577     258  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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
 22773         3633       2968     151  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3284       1333      83  SHAW - Shaw Communications Inc., CA
 18566         2190        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2063       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         1969       2035     400  CHARTER-NET-HKY-NC - Charter Communicat
   209         1726       5067     640  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1690        317     455  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 16509         1688       3065     546  AMAZON-02 - Amazon.com, Inc., US
  6983         1680        852     227  ITCDELTA - Earthlink, Inc., US
   701         1587      10604     656  UUNET - MCI Communications Services, In

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         3334        171      18  ALJAWWALSTC-AS , SA
 20940         3036       1137    2142  AKAMAI-ASN1 , US
  9121         2624       1691      18  TTNET , TR
 34984         1985        327     387  TELLCOM-AS , TR
 13188         1617         99      62  TRIOLAN , UA
  8551         1603        377      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12479         1490       1033      50  UNI2-AS , ES
  9198         1311        352      24  KAZTELECOM-AS , KZ
  6849         1304        355      22  UKRTELNET , UA
 12389         1265       1212     487  ROSTELECOM-AS , 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
 10620         3531        543     188  Telmex Colombia S.A., CO
 26615         3046       2330      44  Tim Celular S.A., BR
  8151         2490       3374     550  Uninet S.A. de C.V., MX
 11830         1803        368      66  Instituto Costarricense de Electricidad
  6503         1567        437      54  Axtel, S.A.B. de C.V., MX
  7303         1428        876     254  Telecom Argentina S.A., AR
  6147         1358        377      27  Telefonica del Peru S.A.A., PE
 28573         1063       2282     180  CLARO S.A., BR
  3816         1003        480     182  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664          979        280      36  Techtel LMDS Comunicaciones Interactiva

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         1297        398      41  LINKdotNET-AS, EG
 36903          718        361     122  MT-MPLS, MA
 37611          691         67       6  Afrihost, ZA
 36992          587       1373      25  ETISALAT-MISR, EG
 24835          489        658      16  RAYA-AS, EG
  8452          447       1474      16  TE-AS TE-AS, EG
 37492          392        316      74  ORANGE-TN, TN
 29571          366         36      10  CITelecom-AS, CI
 15399          327         35       6  WANANCHI-KE, KE
  2018          273        327      74  TENET-1, ZA

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         5546       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3731        391     257  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3633       2968     151  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3531        543     188  Telmex Colombia S.A., CO
 39891         3334        171      18  ALJAWWALSTC-AS , SA
  6327         3284       1333      83  SHAW - Shaw Communications Inc., CA
 26615         3046       2330      44  Tim Celular S.A., BR
 20940         3036       1137    2142  AKAMAI-ASN1 , US
 17974         2985        905      71  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2734      11133     745  KIXS-AS-KR Korea Telecom, KR

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

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

  ASN   No of nets  Net Savings  Description
 22773       3633         3482   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3731         3474   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3531         3343   Telmex Colombia S.A., CO
 39891       3334         3316   ALJAWWALSTC-AS , SA
  6327       3284         3201   SHAW - Shaw Communications Inc., CA
 26615       3046         3002   Tim Celular S.A., BR
 17974       2985         2914   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2624         2606   TTNET , TR
  9808       2282         2249   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2699         2158   BSNL-NIB National Internet Backbone, IN

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
  65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65001   PRIVATE      31.172.192.0/20      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.192.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.200.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.208.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.216.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
  65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub
  65555   UNALLOCATED  37.142.172.0/24      21450       MIRS-AS , IL

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

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

Network            Origin AS  Description
27.100.7.0/24        56096    UNKNOWN
41.73.16.0/24        37004    Suburban-Broadband-AS, NG
41.73.17.0/24        37004    Suburban-Broadband-AS, NG
41.73.18.0/24        37004    Suburban-Broadband-AS, NG
41.73.19.0/24        37004    Suburban-Broadband-AS, NG
41.73.20.0/24        37004    Suburban-Broadband-AS, NG
41.73.21.0/24        37004    Suburban-Broadband-AS, NG
41.73.22.0/24        37004    Suburban-Broadband-AS, NG
41.73.23.0/24        37004    Suburban-Broadband-AS, NG
41.76.232.0/21      203496    AB-TELECOM , RU

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        /8:16       /9:13      /10:36      /11:103     /12:276     
/13:535     /14:1047    /15:1801    /16:13165   /17:7765    /18:13085   
/19:24959   /20:38121   /21:40928   /22:74244   /23:62948   /24:355462  
/25:561     /26:414     /27:294     /28:35      /29:18      /30:18      
/31:1       /32:26      

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

   ASN   No of nets  Total ann.  Description
  6327     3080          3284    SHAW - Shaw Communications Inc., CA
 39891     2896          3334    ALJAWWALSTC-AS , SA
 22773     2828          3633    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 26615     2562          3046    Tim Celular S.A., BR
 18566     2083          2190    MEGAPATH5-US - MegaPath Corporation, US
  9121     1835          2624    TTNET , TR
 30036     1501          1690    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1456          3531    Telmex Colombia S.A., CO
  6389     1372          2063    BELLSOUTH-NET-BLK - BellSouth.net Inc., US
 13188     1360          1617    TRIOLAN , UA

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

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

   1:1594      2:832       4:25        5:2452      6:34        8:1052   
  12:1811     13:78       14:1777     15:22       16:2        17:100    
  18:128      19:1        20:53       23:2012     24:1850     25:2      
  27:2387     31:1862     32:89       33:4        34:1        35:3      
  36:359      37:2541     38:1312     39:43       40:99       41:2846   
  42:455      43:1930     44:63       45:2358     46:2581     47:109    
  49:1211     50:946      51:18       52:743      54:357      55:7      
  56:4        57:41       58:1626     59:986      60:387      61:1901   
  62:1504     63:1927     64:4563     65:2171     66:4437     67:2225   
  68:1169     69:3320     70:1300     71:571      72:2121     74:2605   
  75:402      76:407      77:1429     78:1675     79:1280     80:1358   
  81:1407     82:983      83:726      84:861      85:1732     86:484    
  87:1134     88:829      89:2035     90:209      91:6120     92:982    
  93:2376     94:2362     95:2827     96:568      97:357      98:938    
  99:88      100:153     101:1239    103:13702   104:2742    105:156    
 106:485     107:1551    108:795     109:2575    110:1287    111:1657   
 112:1149    113:1236    114:1043    115:1732    116:1762    117:1654   
 118:2055    119:1564    120:956     121:1096    122:2313    123:2016   
 124:1538    125:1814    128:731     129:619     130:412     131:1367   
 132:518     133:191     134:527     135:210     136:505     137:412    
 138:1840    139:500     140:369     141:520     142:729     143:887    
 144:758     145:167     146:1020    147:654     148:1271    149:570    
 150:692     151:941     152:723     153:319     154:755     155:970    
 156:552     157:595     158:447     159:1396    160:568     161:726    
 162:2479    163:529     164:782     165:1150    166:376     167:1257   
 168:2531    169:743     170:2772    171:274     172:936     173:1832   
 174:805     175:720     176:1775    177:4195    178:2473    179:1623   
 180:2085    181:2036    182:2209    183:1041    184:830     185:8759   
 186:3174    187:2680    188:2354    189:1808    190:8152    191:1914   
 192:9300    193:5770    194:4624    195:3859    196:1946    197:1257   
 198:5567    199:5842    200:7394    201:4121    202:10124   203:9877   
 204:4438    205:2763    206:2985    207:3134    208:3993    209:3927   
 210:3917    211:2098    212:2793    213:2480    214:857     215:64     
 216:5822    217:1993    218:834     219:611     220:1688    221:898    
 222:738     223:1147   

End of report


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