[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 25 18:01:56 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 26 Nov, 2016

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

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

BGP routing table entries examined:                              623316
    Prefixes after maximum aggregation (per Origin AS):          221044
    Deaggregation factor:                                          2.82
    Unique aggregates announced (without unneeded subnets):      302782
Total ASes present in the Internet Routing Table:                 55320
    Prefixes per ASN:                                             11.27
Origin-only ASes present in the Internet Routing Table:           36351
Origin ASes announcing only one prefix:                           15321
Transit ASes present in the Internet Routing Table:                6551
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:                                      40
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                62
    Unregistered ASNs in the Routing Table:                          18
Number of 32-bit ASNs allocated by the RIRs:                      16307
Number of 32-bit ASNs visible in the Routing Table:               12418
Prefixes from 32-bit ASNs in the Routing Table:                   50327
Number of bogon 32-bit ASNs visible in the Routing Table:           438
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            406
Number of addresses announced to Internet:                   2832190628
    Equivalent to 168 /8s, 207 /16s and 204 /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:      205576

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

Prefixes being announced by APNIC Region ASes:                   156914
    Total APNIC prefixes after maximum aggregation:               42915
    APNIC Deaggregation factor:                                    3.66
Prefixes being announced from the APNIC address blocks:          171012
    Unique aggregates announced from the APNIC address blocks:    70398
APNIC Region origin ASes present in the Internet Routing Table:    5194
    APNIC Prefixes per ASN:                                       32.92
APNIC Region origin ASes announcing only one prefix:               1155
APNIC Region transit ASes present in the Internet Routing Table:    942
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2510
Number of APNIC addresses announced to Internet:              759790148
    Equivalent to 45 /8s, 73 /16s and 122 /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:                    188162
    Total ARIN prefixes after maximum aggregation:                89363
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           194504
    Unique aggregates announced from the ARIN address blocks:     89415
ARIN Region origin ASes present in the Internet Routing Table:    16130
    ARIN Prefixes per ASN:                                        12.06
ARIN Region origin ASes announcing only one prefix:                5641
ARIN Region transit ASes present in the Internet Routing Table:    1707
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:    1599
Number of ARIN addresses announced to Internet:              1105886880
    Equivalent to 65 /8s, 234 /16s and 126 /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:                    149381
    Total RIPE prefixes after maximum aggregation:                72721
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           160364
    Unique aggregates announced from the RIPE address blocks:     98187
RIPE Region origin ASes present in the Internet Routing Table:    18178
    RIPE Prefixes per ASN:                                         8.82
RIPE Region origin ASes announcing only one prefix:                7801
RIPE Region transit ASes present in the Internet Routing Table:    3053
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5091
Number of RIPE addresses announced to Internet:               709403520
    Equivalent to 42 /8s, 72 /16s and 163 /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:                   63199
    Total LACNIC prefixes after maximum aggregation:              12692
    LACNIC Deaggregation factor:                                   4.98
Prefixes being announced from the LACNIC address blocks:          79506
    Unique aggregates announced from the LACNIC address blocks:   37752
LACNIC Region origin ASes present in the Internet Routing Table:   2485
    LACNIC Prefixes per ASN:                                      31.99
LACNIC Region origin ASes announcing only one prefix:               549
LACNIC Region transit ASes present in the Internet Routing Table:   597
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2941
Number of LACNIC addresses announced to Internet:             170815808
    Equivalent to 10 /8s, 46 /16s and 113 /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:                  15270
    Total AfriNIC prefixes after maximum aggregation:              3345
    AfriNIC Deaggregation factor:                                  4.57
Prefixes being announced from the AfriNIC address blocks:         17524
    Unique aggregates announced from the AfriNIC address blocks:   6664
AfriNIC Region origin ASes present in the Internet Routing Table:   741
    AfriNIC Prefixes per ASN:                                     23.65
AfriNIC Region origin ASes announcing only one prefix:              175
AfriNIC Region transit ASes present in the Internet Routing Table:  183
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  277
Number of AfriNIC addresses announced to Internet:             85820672
    Equivalent to 5 /8s, 29 /16s and 133 /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     3608        390         246   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2959        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2702       1499         548   BSNL-NIB National Internet Backbone, IN
 4766     2700      11132         740   KIXS-AS-KR Korea Telecom, KR
 9808     2231       8698          33   CMNET-GD Guangdong Mobile Communication
 4755     2045        428         217   TATACOMM-AS TATA Communications formerl
45899     1710       1244          96   VNPT-AS-VN VNPT Corp, VN
 4808     1651       2164         475   CHINA169-BJ China Unicom Beijing Provin
24560     1567        542         228   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     3573       2967         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3287       1333          82   SHAW - Shaw Communications Inc., CA
18566     2196        405         109   MEGAPATH5-US - MegaPath Corporation, US
 6389     2095       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1950       2006         405   CHARTER-NET-HKY-NC - Charter Communicat
30036     1771        334         363   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1737       5069         652   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1677        848         227   ITCDELTA - Earthlink, Inc., US
  701     1600      10634         657   UUNET - MCI Communications Services, In
16509     1495       2800         507   AMAZON-02 - Amazon.com, 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     3334        171          18   ALJAWWALSTC-AS , SA
20940     2952       1115        2088   AKAMAI-ASN1 , US
 9121     2041       1691          18   TTNET , TR
34984     1983        327         364   TELLCOM-AS , TR
13188     1606         99          58   TRIOLAN , UA
12479     1383       1032          53   UNI2-AS , ES
 8551     1201        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1143        355          22   UKRTELNET , UA
 8402     1137        544          15   CORBINA-AS OJSC "Vimpelcom", RU
12389      954       1134         424   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     3533        545         148   Telmex Colombia S.A., CO
 8151     2285       3369         550   Uninet S.A. de C.V., MX
 7303     1528        964         247   Telecom Argentina S.A., AR
 6503     1486        437          54   Axtel, S.A.B. de C.V., MX
11830     1419        368          66   Instituto Costarricense de Electricidad
 6147     1281        377          27   Telefonica del Peru S.A.A., PE
28573     1035       2263         171   CLARO S.A., BR
 7738     1022       1882          41   Telemar Norte Leste S.A., BR
 3816      988        474         193   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      911        126          80   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     1215        402          50   LINKdotNET-AS, EG
36903      692        348         117   MT-MPLS, MA
37611      680         67           6   Afrihost, ZA
36992      575       1373          25   ETISALAT-MISR, EG
 8452      472       1472          15   TE-AS TE-AS, EG
24835      419        658          16   RAYA-AS, EG
37492      396        288          72   ORANGE-TN, TN
29571      364         37          11   CITelecom-AS, CI
15399      310         35           6   WANANCHI-KE, KE
36974      275        140          11   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     3608        390         246   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3573       2967         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3533        545         148   Telmex Colombia S.A., CO
39891     3334        171          18   ALJAWWALSTC-AS , SA
 6327     3287       1333          82   SHAW - Shaw Communications Inc., CA
17974     2959        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2952       1115        2088   AKAMAI-ASN1 , US
 9829     2702       1499         548   BSNL-NIB National Internet Backbone, IN
 4766     2700      11132         740   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      3573        3421      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3533        3385      Telmex Colombia S.A., CO
 7545      3608        3362      TPG-INTERNET-AP TPG Telecom Limited, AU
39891      3334        3316      ALJAWWALSTC-AS , SA
 6327      3287        3205      SHAW - Shaw Communications Inc., CA
17974      2959        2888      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2231        2198      CMNET-GD Guangdong Mobile Communication
 9829      2702        2154      BSNL-NIB National Internet Backbone, IN
18566      2196        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
14.128.12.0/22       55763     UNKNOWN
14.128.12.0/24       55763     UNKNOWN
14.128.13.0/24       55763     UNKNOWN
14.128.15.0/24       55763     UNKNOWN
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

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     /14:1050    /15:1785    /16:13147   /17:7830    /18:13011   
/19:25386   /20:38145   /21:40607   /22:72461   /23:60786   /24:346839  
/25:473     /26:378     /27:310     /28:62      /29:38      /30:12      
/31:1       /32:32      

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

  ASN   No of nets  Total ann.   Description
 6327     3083          3287      SHAW - Shaw Communications Inc., CA
39891     2896          3334      ALJAWWALSTC-AS , SA
22773     2782          3573      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2089          2196      MEGAPATH5-US - MegaPath Corporation, US
30036     1587          1771      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1443          3533      Telmex Colombia S.A., CO
 9121     1423          2041      TTNET , TR
 6389     1393          2095      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1351          1606      TRIOLAN , UA
 6983     1323          1677      ITCDELTA - Earthlink, Inc., US

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

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

   1:1569      2:802       4:23        5:2331      6:32        8:1012   
  12:1806     13:54       14:1756     15:24       16:2        17:102    
  18:126      20:48       23:1919     24:1817     27:2378     31:1803   
  32:83       33:6        35:3        36:364      37:2427     38:1301   
  39:42       40:99       41:2941     42:458      43:1896     44:50     
  45:2245     46:2540     47:106      49:1179     50:939      51:14     
  52:588      53:2        54:353      55:8        56:4        57:40     
  58:1594     59:1006     60:379      61:1846     62:1478     63:1935   
  64:4574     65:2176     66:4357     67:2253     68:1146     69:3288   
  70:1295     71:561      72:2071     74:2593     75:404      76:417    
  77:1437     78:1556     79:922      80:1349     81:1409     82:998    
  83:711      84:867      85:1685     86:475      87:1123     88:716    
  89:2036     90:198      91:6093     92:930      93:2368     94:2433   
  95:2676     96:558      97:348      98:944      99:93      100:147    
 101:1186    103:12836   104:2595    105:147     106:468     107:1465   
 108:788     109:2488    110:1279    111:1644    112:1141    113:1167   
 114:1053    115:1694    116:1682    117:1559    118:2119    119:1577   
 120:977     121:1094    122:2292    123:2041    124:1603    125:1846   
 128:676     129:472     130:422     131:1360    132:611     133:176    
 134:521     135:206     136:403     137:393     138:1795    139:435    
 140:607     141:472     142:697     143:886     144:727     145:169    
 146:950     147:664     148:1386    149:551     150:678     151:967    
 152:694     153:310     154:690     155:947     156:541     157:566    
 158:434     159:1323    160:559     161:723     162:2448    163:544    
 164:787     165:1122    166:356     167:1217    168:2356    169:684    
 170:2345    171:259     172:822     173:1822    174:763     175:715    
 176:1741    177:4098    178:2381    179:1135    180:2151    181:1980   
 182:2123    183:1016    184:835     185:8080    186:3186    187:2204   
 188:2273    189:1766    190:7912    191:1321    192:9152    193:5759   
 194:4557    195:3868    196:1873    197:1259    198:5598    199:5829   
 200:7158    201:3739    202:10177   203:9813    204:4479    205:2763   
 206:3003    207:3128    208:4057    209:3890    210:3904    211:2054   
 212:2751    213:2416    214:848     215:67      216:5758    217:1984   
 218:818     219:600     220:1655    221:878     222:715     223:1358   


End of report


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