[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 4 18:01:48 UTC 2016


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,
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 05 Nov, 2016

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

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

BGP routing table entries examined:                              620869
    Prefixes after maximum aggregation (per Origin AS):          221192
    Deaggregation factor:                                          2.81
    Unique aggregates announced (without unneeded subnets):      301226
Total ASes present in the Internet Routing Table:                 55128
    Prefixes per ASN:                                             11.26
Origin-only ASes present in the Internet Routing Table:           36324
Origin ASes announcing only one prefix:                           15345
Transit ASes present in the Internet Routing Table:                6537
Transit-only ASes present in the Internet Routing Table:            168
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      36
    Max AS path prepend of ASN ( 55644)                              31
Prefixes from unregistered ASNs in the Routing Table:                66
    Unregistered ASNs in the Routing Table:                          20
Number of 32-bit ASNs allocated by the RIRs:                      15993
Number of 32-bit ASNs visible in the Routing Table:               12267
Prefixes from 32-bit ASNs in the Routing Table:                   49637
Number of bogon 32-bit ASNs visible in the Routing Table:           298
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            406
Number of addresses announced to Internet:                   2830932388
    Equivalent to 168 /8s, 188 /16s and 153 /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:               98.3
Total number of prefixes smaller than registry allocations:      204079

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

Prefixes being announced by APNIC Region ASes:                   156997
    Total APNIC prefixes after maximum aggregation:               42889
    APNIC Deaggregation factor:                                    3.66
Prefixes being announced from the APNIC address blocks:          170839
    Unique aggregates announced from the APNIC address blocks:    70136
APNIC Region origin ASes present in the Internet Routing Table:    5182
    APNIC Prefixes per ASN:                                       32.97
APNIC Region origin ASes announcing only one prefix:               1148
APNIC Region transit ASes present in the Internet Routing Table:    951
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2452
Number of APNIC addresses announced to Internet:              759787716
    Equivalent to 45 /8s, 73 /16s and 112 /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:                    188202
    Total ARIN prefixes after maximum aggregation:                89495
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           194343
    Unique aggregates announced from the ARIN address blocks:     89058
ARIN Region origin ASes present in the Internet Routing Table:    16147
    ARIN Prefixes per ASN:                                        12.04
ARIN Region origin ASes announcing only one prefix:                5673
ARIN Region transit ASes present in the Internet Routing Table:    1711
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:    1560
Number of ARIN addresses announced to Internet:              1105588384
    Equivalent to 65 /8s, 229 /16s and 240 /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:                    147832
    Total RIPE prefixes after maximum aggregation:                72773
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           158624
    Unique aggregates announced from the RIPE address blocks:     97522
RIPE Region origin ASes present in the Internet Routing Table:    18143
    RIPE Prefixes per ASN:                                         8.74
RIPE Region origin ASes announcing only one prefix:                7804
RIPE Region transit ASes present in the Internet Routing Table:    3035
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5084
Number of RIPE addresses announced to Internet:               708868608
    Equivalent to 42 /8s, 64 /16s and 122 /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:                   62953
    Total LACNIC prefixes after maximum aggregation:              12667
    LACNIC Deaggregation factor:                                   4.97
Prefixes being announced from the LACNIC address blocks:          79261
    Unique aggregates announced from the LACNIC address blocks:   37545
LACNIC Region origin ASes present in the Internet Routing Table:   2479
    LACNIC Prefixes per ASN:                                      31.97
LACNIC Region origin ASes announcing only one prefix:               551
LACNIC Region transit ASes present in the Internet Routing Table:   592
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2899
Number of LACNIC addresses announced to Internet:             170795328
    Equivalent to 10 /8s, 46 /16s and 33 /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:                  15181
    Total AfriNIC prefixes after maximum aggregation:              3360
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:         17396
    Unique aggregates announced from the AfriNIC address blocks:   6595
AfriNIC Region origin ASes present in the Internet Routing Table:   736
    AfriNIC Prefixes per ASN:                                     23.64
AfriNIC Region origin ASes announcing only one prefix:              169
AfriNIC Region transit ASes present in the Internet Routing Table:  179
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:  272
Number of AfriNIC addresses announced to Internet:             85496064
    Equivalent to 5 /8s, 24 /16s and 145 /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     5545       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3598        382         248   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2957        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2705       1498         535   BSNL-NIB National Internet Backbone, IN
 4766     2696      11132         739   KIXS-AS-KR Korea Telecom, KR
 9808     2229       8698          32   CMNET-GD Guangdong Mobile Communication
 4755     2049        428         215   TATACOMM-AS TATA Communications formerl
 4808     1747       2290         510   CHINA169-BJ China Unicom Beijing Provin
45899     1609       1240          95   VNPT-AS-VN VNPT Corp, VN
24560     1562        532         229   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     3550       2965         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3234       1333          82   SHAW - Shaw Communications Inc., CA
18566     2197        405         110   MEGAPATH5-US - MegaPath Corporation, US
 6389     2095       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1948       2003         406   CHARTER-NET-HKY-NC - Charter Communicat
30036     1776        339         343   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1731       5067         655   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1678        848         227   ITCDELTA - Earthlink, Inc., US
  701     1611      10642         669   UUNET - MCI Communications Services, In
 7018     1483      20476        1049   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     3330        170          16   ALJAWWALSTC-AS , SA
20940     2885       1087        2046   AKAMAI-ASN1 , US
34984     1989        326         360   TELLCOM-AS , TR
13188     1624         99          58   TRIOLAN , UA
12479     1383       1018          49   UNI2-AS , ES
 8551     1202        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1142        355          21   UKRTELNET , UA
 8402     1126        544          15   CORBINA-AS OJSC "Vimpelcom", RU
 9198      979        352          25   KAZTELECOM-AS , KZ
12389      949       1133         423   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     3536        546         140   Telmex Colombia S.A., CO
 8151     2288       3364         552   Uninet S.A. de C.V., MX
 7303     1533        963         248   Telecom Argentina S.A., AR
 6503     1485        437          54   Axtel, S.A.B. de C.V., MX
11830     1351        368          66   Instituto Costarricense de Electricidad
 6147     1294        377          28   Telefonica del Peru S.A.A., PE
 7738     1018       1882          40   Telemar Norte Leste S.A., BR
28573     1006       2263         171   CLARO S.A., BR
 3816      981        473         194   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      906        126          76   Alestra, S. de R.L. de C.V., MX

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

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
24863     1187        402          50   LINKdotNET-AS, EG
36903      680        342         128   MT-MPLS, MA
37611      673         67           6   Afrihost, ZA
36992      567       1373          25   ETISALAT-MISR, EG
 8452      495       1472          15   TE-AS TE-AS, EG
24835      412        624          19   RAYA-AS, EG
37492      388        254          70   ORANGE-TN, TN
29571      365         37          12   CITelecom-AS, CI
15399      309         35           6   WANANCHI-KE, KE
36974      274        139          10   AFNET-AS, CI

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     5545       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3598        382         248   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3550       2965         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3536        546         140   Telmex Colombia S.A., CO
39891     3330        170          16   ALJAWWALSTC-AS , SA
 6327     3234       1333          82   SHAW - Shaw Communications Inc., CA
17974     2957        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2885       1087        2046   AKAMAI-ASN1 , US
 9829     2705       1498         535   BSNL-NIB National Internet Backbone, IN
 4766     2696      11132         739   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      3550        3404      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3536        3396      Telmex Colombia S.A., CO
 7545      3598        3350      TPG-INTERNET-AP TPG Telecom Limited, AU
39891      3330        3314      ALJAWWALSTC-AS , SA
 6327      3234        3152      SHAW - Shaw Communications Inc., CA
17974      2957        2886      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2229        2197      CMNET-GD Guangdong Mobile Communication
 9829      2705        2170      BSNL-NIB National Internet Backbone, IN
18566      2197        2087      MEGAPATH5-US - MegaPath Corporation, US
 6389      2095        2056      BELLSOUTH-NET-BLK - BellSouth.net Inc.,

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
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
64855   PRIVATE      41.220.200.0/21      36945       mcelISP, MZ
65001   PRIVATE      46.237.32.0/20       13118       ASN-YARTELECOM PJSC Rostelecom

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
27.110.192.0/22      45664     UNKNOWN
27.110.196.0/22      45664     UNKNOWN
27.110.200.0/22      45664     UNKNOWN
27.110.204.0/22      45664     UNKNOWN
27.110.224.0/22      45664     UNKNOWN
27.110.232.0/22      45664     UNKNOWN
27.110.248.0/22      45664     UNKNOWN
27.110.252.0/22      45664     UNKNOWN
41.73.1.0/24         37004     -Reserved AS-, ZZ

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      /11:102     /12:274     
/13:522     /14:1049    /15:1783    /16:13143   /17:7856    /18:13061   
/19:25498   /20:38815   /21:40647   /22:71951   /23:60270   /24:344606  
/25:450     /26:346     /27:292     /28:59      /29:34      /30:13      
/31:1       /32:32      

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

  ASN   No of nets  Total ann.   Description
 6327     3031          3234      SHAW - Shaw Communications Inc., CA
39891     2896          3330      ALJAWWALSTC-AS , SA
22773     2768          3550      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2089          2197      MEGAPATH5-US - MegaPath Corporation, US
30036     1590          1776      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1441          3536      Telmex Colombia S.A., CO
 6389     1393          2095      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1364          1624      TRIOLAN , UA
 6983     1324          1678      ITCDELTA - Earthlink, Inc., US
34984     1273          1989      TELLCOM-AS , TR

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

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

   1:1556      2:812       4:23        5:2236      6:32        8:1000   
  12:1804     13:50       14:1748     15:46       16:2        17:103    
  18:126      20:48       23:1919     24:1810     27:2370     31:1799   
  32:83       33:4        35:3        36:346      37:2392     38:1300   
  39:39       40:100      41:2914     42:447      43:1879     44:48     
  45:2218     46:2602     47:105      49:1191     50:929      51:14     
  52:557      53:2        54:351      55:7        56:4        57:40     
  58:1584     59:992      60:379      61:1841     62:1521     63:1927   
  64:4572     65:2180     66:4329     67:2253     68:1141     69:3301   
  70:1291     71:563      72:2062     74:2590     75:404      76:414    
  77:1428     78:1311     79:914      80:1305     81:1396     82:984    
  83:708      84:868      85:1589     86:475      87:1127     88:565    
  89:2047     90:223      91:6123     92:964      93:2361     94:2404   
  95:2549     96:558      97:344      98:944      99:91      100:147    
 101:1176    103:12741   104:2580    105:147     106:464     107:1436   
 108:785     109:2499    110:1278    111:1658    112:1133    113:1152   
 114:1098    115:1694    116:1679    117:1557    118:2088    119:1574   
 120:957     121:1077    122:2278    123:2037    124:1579    125:1829   
 128:697     129:464     130:415     131:1386    132:619     133:175    
 134:512     135:204     136:402     137:394     138:1783    139:435    
 140:597     141:455     142:679     143:937     144:734     145:169    
 146:952     147:670     148:1385    149:538     150:655     151:888    
 152:686     153:303     154:697     155:938     156:535     157:539    
 158:434     159:1278    160:560     161:725     162:2422    163:590    
 164:779     165:1127    166:350     167:1202    168:2329    169:679    
 170:2254    171:254     172:783     173:1817    174:764     175:700    
 176:1740    177:4103    178:2371    179:1171    180:2159    181:1931   
 182:2104    183:1004    184:831     185:7881    186:3213    187:2180   
 188:2287    189:1796    190:7896    191:1311    192:9093    193:5742   
 194:4473    195:3837    196:1823    197:1267    198:5608    199:5830   
 200:7155    201:3738    202:10152   203:9834    204:4504    205:2739   
 206:2995    207:3101    208:3987    209:3850    210:3881    211:2044   
 212:2745    213:2397    214:866     215:67      216:5738    217:1979   
 218:815     219:599     220:1647    221:879     222:708     223:1321   


End of report


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