[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Sep 16 18:01:26 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 17 Sep, 2016

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

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

BGP routing table entries examined:                              609829
    Prefixes after maximum aggregation (per Origin AS):          220069
    Deaggregation factor:                                          2.77
    Unique aggregates announced (without unneeded subnets):      297950
Total ASes present in the Internet Routing Table:                 54857
    Prefixes per ASN:                                             11.12
Origin-only ASes present in the Internet Routing Table:           36396
Origin ASes announcing only one prefix:                           15402
Transit ASes present in the Internet Routing Table:                6516
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:                                      54
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                60
    Unregistered ASNs in the Routing Table:                          15
Number of 32-bit ASNs allocated by the RIRs:                      15444
Number of 32-bit ASNs visible in the Routing Table:               11945
Prefixes from 32-bit ASNs in the Routing Table:                   47636
Number of bogon 32-bit ASNs visible in the Routing Table:            84
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            347
Number of addresses announced to Internet:                   2826656228
    Equivalent to 168 /8s, 123 /16s and 89 /24s
    Percentage of available address space announced:               76.3
    Percentage of allocated address space announced:               76.3
    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:      197571

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

Prefixes being announced by APNIC Region ASes:                   156454
    Total APNIC prefixes after maximum aggregation:               42942
    APNIC Deaggregation factor:                                    3.64
Prefixes being announced from the APNIC address blocks:          169988
    Unique aggregates announced from the APNIC address blocks:    68960
APNIC Region origin ASes present in the Internet Routing Table:    5194
    APNIC Prefixes per ASN:                                       32.73
APNIC Region origin ASes announcing only one prefix:               1156
APNIC Region transit ASes present in the Internet Routing Table:    946
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         54
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2380
Number of APNIC addresses announced to Internet:              759640004
    Equivalent to 45 /8s, 71 /16s and 47 /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:                    183986
    Total ARIN prefixes after maximum aggregation:                89627
    ARIN Deaggregation factor:                                     2.05
Prefixes being announced from the ARIN address blocks:           189745
    Unique aggregates announced from the ARIN address blocks:     88444
ARIN Region origin ASes present in the Internet Routing Table:    16204
    ARIN Prefixes per ASN:                                        11.71
ARIN Region origin ASes announcing only one prefix:                5699
ARIN Region transit ASes present in the Internet Routing Table:    1705
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:    1467
Number of ARIN addresses announced to Internet:              1106648544
    Equivalent to 65 /8s, 246 /16s and 29 /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:                    145716
    Total RIPE prefixes after maximum aggregation:                71812
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           156009
    Unique aggregates announced from the RIPE address blocks:     96512
RIPE Region origin ASes present in the Internet Routing Table:    18132
    RIPE Prefixes per ASN:                                         8.60
RIPE Region origin ASes announcing only one prefix:                7832
RIPE Region transit ASes present in the Internet Routing Table:    3032
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5048
Number of RIPE addresses announced to Internet:               708290048
    Equivalent to 42 /8s, 55 /16s and 166 /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:                   61300
    Total LACNIC prefixes after maximum aggregation:              12400
    LACNIC Deaggregation factor:                                   4.94
Prefixes being announced from the LACNIC address blocks:          77048
    Unique aggregates announced from the LACNIC address blocks:   37423
LACNIC Region origin ASes present in the Internet Routing Table:   2473
    LACNIC Prefixes per ASN:                                      31.16
LACNIC Region origin ASes announcing only one prefix:               541
LACNIC Region transit ASes present in the Internet Routing Table:   583
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2789
Number of LACNIC addresses announced to Internet:             170641728
    Equivalent to 10 /8s, 43 /16s and 201 /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:                  14676
    Total AfriNIC prefixes after maximum aggregation:              3278
    AfriNIC Deaggregation factor:                                  4.48
Prefixes being announced from the AfriNIC address blocks:         16692
    Unique aggregates announced from the AfriNIC address blocks:   6293
AfriNIC Region origin ASes present in the Internet Routing Table:   734
    AfriNIC Prefixes per ASN:                                     22.74
AfriNIC Region origin ASes announcing only one prefix:              174
AfriNIC Region transit ASes present in the Internet Routing Table:  181
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  261
Number of AfriNIC addresses announced to Internet:             81097728
    Equivalent to 4 /8s, 213 /16s and 116 /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     5553       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3514        382         250   TPG-INTERNET-AP TPG Telecom Limited, AU
 4766     3113      11142        1062   KIXS-AS-KR Korea Telecom, KR
17974     2945        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2688       1496         528   BSNL-NIB National Internet Backbone, IN
 9808     2250       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2052        429         218   TATACOMM-AS TATA Communications formerl
 4808     1761       2295         528   CHINA169-BJ China Unicom Beijing Provin
45899     1727       1235          89   VNPT-AS-VN VNPT Corp, VN
24560     1542        510         221   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     3514       2964         145   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6389     2219       3671          41   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566     2195        405         110   MEGAPATH5-US - MegaPath Corporation, US
20115     1938       1977         404   CHARTER-NET-HKY-NC - Charter Communicat
30036     1738        337         332   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1717       5070         652   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1676        848         227   ITCDELTA - Earthlink, Inc., US
16509     1394       2532         466   AMAZON-02 - Amazon.com, Inc., US
 7018     1370      20092        1008   ATT-INTERNET4 - AT&T Services, Inc., US
11492     1288        230         622   CABLEONE - CABLE ONE, 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     3329        169          15   ALJAWWALSTC-AS , SA
20940     2791       1059        1980   AKAMAI-ASN1 , US
34984     1974        327         356   TELLCOM-AS , TR
12479     1331       1018          46   UNI2-AS , ES
13188     1234         99          62   BANKINFORM-AS , UA
 8551     1206        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1144        355          21   UKRTELNET , UA
 8402     1078        544          15   CORBINA-AS Russia, RU
12389      925       1113         401   ROSTELECOM-AS , RU
 6830      886       2752         465   LGI-UPC formerly known as UPC Broadband

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     3479        539         195   Telmex Colombia S.A., CO
 8151     2275       3382         561   Uninet S.A. de C.V., MX
 7303     1544        955         245   Telecom Argentina S.A., AR
 6503     1397        437          55   Axtel, S.A.B. de C.V., MX
11830     1327        367          57   Instituto Costarricense de Electricidad
 7738      994       1882          40   Telemar Norte Leste S.A., BR
 3816      966        467         206   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573      911       2181         167   CLARO S.A., BR
11172      907        125          76   Alestra, S. de R.L. de C.V., MX
18881      883       1036          22   TELEFÔNICA BRASIL S.A, BR

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

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

  ASN   No of nets  /20 equiv  MaxAgg  Description
24863     1179        402          50   LINKdotNET-AS, EG
36903      684        344         115   MT-MPLS, MA
37611      668         51           5   Afrihost, ZA
36992      547       1373          25   ETISALAT-MISR, EG
 8452      543       1472          15   TE-AS TE-AS, EG
37492      384        250          69   ORANGE-TN, TN
24835      345        610          16   RAYA-AS, EG
29571      301         37          12   CITelecom-AS, CI
15399      297         35           6   WANANCHI-KE, KE
 2018      269        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     5553       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3514        382         250   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3514       2964         145   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3479        539         195   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
 4766     3113      11142        1062   KIXS-AS-KR Korea Telecom, KR
17974     2945        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2791       1059        1980   AKAMAI-ASN1 , US
 9829     2688       1496         528   BSNL-NIB National Internet Backbone, IN
 8151     2275       3382         561   Uninet S.A. de C.V., MX

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      3514        3369      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
39891      3329        3314      ALJAWWALSTC-AS , SA
10620      3479        3284      Telmex Colombia S.A., CO
 7545      3514        3264      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2945        2867      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2250        2208      CMNET-GD Guangdong Mobile Communication
 6389      2219        2178      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 9829      2688        2160      BSNL-NIB National Internet Backbone, IN
18566      2195        2085      MEGAPATH5-US - MegaPath Corporation, US
 4766      3113        2051      KIXS-AS-KR Korea Telecom, KR

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
65512   PRIVATE      45.252.244.0/24      45899       VNPT-AS-VN VNPT Corp, VN
65512   PRIVATE      45.252.245.0/24      45899       VNPT-AS-VN VNPT Corp, VN

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

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

Network            Origin AS  Description
23.249.144.0/20      40430     COLO4JAX-AS - colo4jax, LLC, US
24.49.144.0/20       30164     USACOMMUNICATIONS-1 - USA COMPANIES, LP
27.100.7.0/24        56096     UNKNOWN
41.73.1.0/24         37004     -Reserved AS-, ZZ
41.73.2.0/24         37004     -Reserved AS-, ZZ
41.73.3.0/24         37004     -Reserved AS-, ZZ
41.73.4.0/24         37004     -Reserved AS-, ZZ
41.73.5.0/24         37004     -Reserved AS-, ZZ
41.73.6.0/24         37004     -Reserved AS-, ZZ
41.73.7.0/24         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      /11:101     /12:269     
/13:518     /14:1052    /15:1768    /16:13136   /17:7840    /18:12986   
/19:25332   /20:38742   /21:40307   /22:67944   /23:59536   /24:338713  
/25:531     /26:511     /27:344     /28:55      /29:32      /30:13      
/31:1       /32:33      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
22773     2739          3514      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2087          2195      MEGAPATH5-US - MegaPath Corporation, US
30036     1552          1738      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6389     1418          2219      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620     1401          3479      Telmex Colombia S.A., CO
 6983     1326          1676      ITCDELTA - Earthlink, Inc., US
34984     1257          1974      TELLCOM-AS , TR
11492     1190          1288      CABLEONE - CABLE ONE, INC., US
13188     1011          1234      BANKINFORM-AS , UA

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

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

   1:1631      2:776       4:22        5:2169      6:27        8:990    
  12:1803     13:42       14:1740     15:47       16:2        17:95     
  18:126      20:50       22:1        23:1836     24:1804     27:2325   
  31:1781     32:85       33:4        35:5        36:323      37:2311   
  38:1254     39:36       40:97       41:2909     42:452      43:1859   
  44:47       45:2140     46:2554     47:95       49:1212     50:905    
  51:13       52:547      54:344      55:6        56:7        57:42     
  58:1569     59:1015     60:376      61:1821     62:1514     63:1923   
  64:4547     65:2179     66:4266     67:2205     68:1118     69:3256   
  70:1282     71:527      72:2031     74:2547     75:399      76:413    
  77:1380     78:1210     79:908      80:1293     81:1400     82:988    
  83:708      84:856      85:1565     86:486      87:1125     88:545    
  89:2086     90:204      91:6061     92:947      93:2365     94:2448   
  95:2472     96:521      97:340      98:939      99:90      100:78     
 101:1152    103:12319   104:2469    105:108     106:432     107:1403   
 108:671     109:2257    110:1269    111:1625    112:1054    113:1271   
 114:1078    115:1683    116:1659    117:1553    118:2031    119:1584   
 120:936     121:1118    122:2266    123:2070    124:1571    125:1835   
 128:670     129:438     130:414     131:1353    132:611     133:175    
 134:485     135:192     136:387     137:409     138:1895    139:424    
 140:574     141:456     142:662     143:933     144:735     145:165    
 146:942     147:653     148:1391    149:531     150:665     151:884    
 152:666     153:297     154:676     155:946     156:526     157:524    
 158:391     159:1232    160:511     161:733     162:2394    163:544    
 164:773     165:1118    166:334     167:1183    168:2175    169:669    
 170:1920    171:254     172:701     173:1686    174:758     175:669    
 176:1726    177:3996    178:2234    179:1186    180:2157    181:1767   
 182:2051    183:996     184:827     185:7399    186:3202    187:2142   
 188:2166    189:1767    190:7346    191:1272    192:9037    193:5724   
 194:4456    195:3855    196:1771    197:1146    198:5567    199:5760   
 200:7116    201:3597    202:10124   203:9822    204:4512    205:2744   
 206:2972    207:3076    208:4044    209:3862    210:3887    211:2036   
 212:2739    213:2332    214:870     215:70      216:5791    217:1979   
 218:805     219:609     220:1631    221:885     222:700     223:1305   


End of report


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