[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Feb 24 18:02:45 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 25 Feb, 2017

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

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

BGP routing table entries examined:                              637688
    Prefixes after maximum aggregation (per Origin AS):          248290
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      307053
Total ASes present in the Internet Routing Table:                 56336
    Prefixes per ASN:                                             11.32
Origin-only ASes present in the Internet Routing Table:           48757
Origin ASes announcing only one prefix:                           21715
Transit ASes present in the Internet Routing Table:                7579
Transit-only ASes present in the Internet Routing Table:            218
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:                72
    Numnber of instances of unregistered ASNs:                       73
Number of 32-bit ASNs allocated by the RIRs:                      17465
Number of 32-bit ASNs visible in the Routing Table:               13551
Prefixes from 32-bit ASNs in the Routing Table:                   54921
Number of bogon 32-bit ASNs visible in the Routing Table:            48
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            401
Number of addresses announced to Internet:                   2834795780
    Equivalent to 168 /8s, 247 /16s and 141 /24s
    Percentage of available address space announced:               76.6
    Percentage of allocated address space announced:               76.6
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.5
Total number of prefixes smaller than registry allocations:      213138

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

Prefixes being announced by APNIC Region ASes:                   174301
    Total APNIC prefixes after maximum aggregation:               49850
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          173626
    Unique aggregates announced from the APNIC address blocks:    71559
APNIC Region origin ASes present in the Internet Routing Table:    7882
    APNIC Prefixes per ASN:                                       22.03
APNIC Region origin ASes announcing only one prefix:               2212
APNIC Region transit ASes present in the Internet Routing Table:   1126
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         41
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2717
Number of APNIC addresses announced to Internet:              760730500
    Equivalent to 45 /8s, 87 /16s and 211 /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:                    193820
    Total ARIN prefixes after maximum aggregation:                93061
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           196248
    Unique aggregates announced from the ARIN address blocks:     90025
ARIN Region origin ASes present in the Internet Routing Table:    17810
    ARIN Prefixes per ASN:                                        11.02
ARIN Region origin ASes announcing only one prefix:                6646
ARIN Region transit ASes present in the Internet Routing Table:    1773
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:    1794
Number of ARIN addresses announced to Internet:              1105362080
    Equivalent to 65 /8s, 226 /16s and 124 /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:                    170431
    Total RIPE prefixes after maximum aggregation:                84028
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           165689
    Unique aggregates announced from the RIPE address blocks:    100187
RIPE Region origin ASes present in the Internet Routing Table:    23741
    RIPE Prefixes per ASN:                                         6.98
RIPE Region origin ASes announcing only one prefix:               10992
RIPE Region transit ASes present in the Internet Routing Table:    3368
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:    5585
Number of RIPE addresses announced to Internet:               709973120
    Equivalent to 42 /8s, 81 /16s and 84 /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:                   82464
    Total LACNIC prefixes after maximum aggregation:              17605
    LACNIC Deaggregation factor:                                   4.68
Prefixes being announced from the LACNIC address blocks:          83647
    Unique aggregates announced from the LACNIC address blocks:   38172
LACNIC Region origin ASes present in the Internet Routing Table:   5636
    LACNIC Prefixes per ASN:                                      14.84
LACNIC Region origin ASes announcing only one prefix:              1539
LACNIC Region transit ASes present in the Internet Routing Table:  1033
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:  3163
Number of LACNIC addresses announced to Internet:             171272288
    Equivalent to 10 /8s, 53 /16s and 104 /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:                  16566
    Total AfriNIC prefixes after maximum aggregation:              3688
    AfriNIC Deaggregation factor:                                  4.49
Prefixes being announced from the AfriNIC address blocks:         18077
    Unique aggregates announced from the AfriNIC address blocks:   6760
AfriNIC Region origin ASes present in the Internet Routing Table:  1023
    AfriNIC Prefixes per ASN:                                     17.67
AfriNIC Region origin ASes announcing only one prefix:              326
AfriNIC Region transit ASes present in the Internet Routing Table:  197
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       22
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  292
Number of AfriNIC addresses announced to Internet:             87002112
    Equivalent to 5 /8s, 47 /16s and 140 /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         5554       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3733        391     256  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2988        905      72  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2746      11133     744  KIXS-AS-KR Korea Telecom, KR
  9829         2717       1501     541  BSNL-NIB National Internet Backbone, IN
  9808         2288       8698      33  CMNET-GD Guangdong Mobile Communication
  4755         2065        421     219  TATACOMM-AS TATA Communications formerl
 45899         1883       1303     102  VNPT-AS-VN VNPT Corp, VN
  4808         1650       1786     448  CHINA169-BJ China Unicom Beijing Provin
  9583         1558        120     534  SIFY-AS-IN Sify Limited, IN

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         3639       2968     150  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3308       1333      83  SHAW - Shaw Communications Inc., CA
 18566         2189        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2063       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         1972       2038     403  CHARTER-NET-HKY-NC - Charter Communicat
   209         1726       5067     640  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1705       3321     555  AMAZON-02 - Amazon.com, Inc., US
 30036         1692        318     454  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1681        852     227  ITCDELTA - Earthlink, Inc., US
   701         1582      10600     655  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         3027       1131    2142  AKAMAI-ASN1 , US
  9121         2642       1691      18  TTNET , TR
 34984         1990        327     381  TELLCOM-AS , TR
 13188         1653         99      59  TRIOLAN , UA
  8551         1604        377      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12479         1497       1033      50  UNI2-AS , ES
  6849         1303        355      22  UKRTELNET , UA
  9198         1274        352      24  KAZTELECOM-AS , KZ
 12389         1268       1214     490  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         3527        543     208  Telmex Colombia S.A., CO
 26615         3052       2330      44  Tim Celular S.A., BR
  8151         2498       3378     544  Uninet S.A. de C.V., MX
 11830         1798        368      66  Instituto Costarricense de Electricidad
  6503         1569        437      53  Axtel, S.A.B. de C.V., MX
  7303         1548        994     253  Telecom Argentina S.A., AR
  6147         1265        377      27  Telefonica del Peru S.A.A., PE
 28573         1074       2285     182  CLARO S.A., BR
  3816         1004        480     183  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         1299        399      42  LINKdotNET-AS, EG
 36903          717        360     125  MT-MPLS, MA
 37611          695         67       6  Afrihost, ZA
 36992          606       1373      25  ETISALAT-MISR, EG
 24835          491        722      14  RAYA-AS, EG
  8452          436       1474      16  TE-AS TE-AS, EG
 37492          392        316      74  ORANGE-TN, TN
 29571          368         36      10  CITelecom-AS, CI
 15399          328         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         5554       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3733        391     256  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3639       2968     150  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3527        543     208  Telmex Colombia S.A., CO
 39891         3334        171      18  ALJAWWALSTC-AS , SA
  6327         3308       1333      83  SHAW - Shaw Communications Inc., CA
 26615         3052       2330      44  Tim Celular S.A., BR
 20940         3027       1131    2142  AKAMAI-ASN1 , US
 17974         2988        905      72  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2746      11133     744  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       3639         3489   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3733         3477   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3527         3319   Telmex Colombia S.A., CO
 39891       3334         3316   ALJAWWALSTC-AS , SA
  6327       3308         3225   SHAW - Shaw Communications Inc., CA
 26615       3052         3008   Tim Celular S.A., BR
 17974       2988         2916   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2642         2624   TTNET , TR
  9808       2288         2255   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2717         2176   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     /12:277     
/13:537     /14:1046    /15:1797    /16:13188   /17:7772    /18:13181   
/19:24802   /20:38268   /21:41054   /22:74525   /23:63021   /24:356688  
/25:558     /26:415     /27:294     /28:34      /29:18      /30:18      
/31:1       /32:26      

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

   ASN   No of nets  Total ann.  Description
  6327     3104          3308    SHAW - Shaw Communications Inc., CA
 39891     2896          3334    ALJAWWALSTC-AS , SA
 22773     2833          3639    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 26615     2568          3052    Tim Celular S.A., BR
 18566     2082          2189    MEGAPATH5-US - MegaPath Corporation, US
  9121     1854          2642    TTNET , TR
 30036     1503          1692    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1451          3527    Telmex Colombia S.A., CO
 13188     1377          1653    TRIOLAN , UA
  6389     1372          2063    BELLSOUTH-NET-BLK - BellSouth.net Inc., US

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

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

   1:1584      2:837       4:25        5:2460      6:34        8:1051   
  12:1811     13:83       14:1778     15:22       16:2        17:107    
  18:128      19:1        20:54       23:2017     24:1857     25:2      
  27:2375     31:1870     32:89       33:4        34:1        35:19     
  36:359      37:2541     38:1307     39:43       40:99       41:2862   
  42:451      43:1926     44:63       45:2371     46:2623     47:111    
  49:1215     50:950      51:18       52:746      54:357      55:6      
  56:4        57:41       58:1616     59:990      60:389      61:1938   
  62:1504     63:1924     64:4568     65:2177     66:4446     67:2228   
  68:1189     69:3321     70:1302     71:571      72:2137     74:2615   
  75:400      76:411      77:1444     78:1686     79:1281     80:1359   
  81:1404     82:980      83:724      84:860      85:1767     86:482    
  87:1133     88:802      89:2050     90:209      91:6132     92:995    
  93:2378     94:2367     95:2829     96:561      97:357      98:938    
  99:83      100:153     101:1239    103:13756   104:2760    105:156    
 106:481     107:1554    108:794     109:2601    110:1288    111:1685   
 112:1153    113:1322    114:1035    115:1734    116:1766    117:1656   
 118:2039    119:1571    120:936     121:1093    122:2327    123:2040   
 124:1537    125:1811    128:706     129:620     130:412     131:1361   
 132:517     133:190     134:530     135:214     136:506     137:412    
 138:1853    139:500     140:367     141:526     142:731     143:881    
 144:761     145:167     146:1028    147:657     148:1368    149:572    
 150:691     151:946     152:725     153:313     154:759     155:972    
 156:552     157:600     158:446     159:1423    160:567     161:736    
 162:2474    163:530     164:787     165:1156    166:375     167:1256   
 168:2528    169:742     170:2842    171:278     172:947     173:1833   
 174:800     175:727     176:1778    177:4299    178:2469    179:1620   
 180:2173    181:2012    182:2215    183:1042    184:832     185:8866   
 186:3180    187:2650    188:2379    189:1824    190:8111    191:1915   
 192:9292    193:5761    194:4629    195:3836    196:1943    197:1298   
 198:5571    199:5836    200:7415    201:4112    202:10188   203:9877   
 204:4453    205:2772    206:2989    207:3137    208:3984    209:3940   
 210:3919    211:2115    212:2847    213:2482    214:863     215:64     
 216:5859    217:2006    218:834     219:615     220:1695    221:896    
 222:723     223:1150   

End of report


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