[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 19 18:01:43 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 20 Aug, 2016

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

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

BGP routing table entries examined:                              606224
    Prefixes after maximum aggregation (per Origin AS):          219465
    Deaggregation factor:                                          2.76
    Unique aggregates announced (without unneeded subnets):      296500
Total ASes present in the Internet Routing Table:                 54628
    Prefixes per ASN:                                             11.10
Origin-only ASes present in the Internet Routing Table:           36451
Origin ASes announcing only one prefix:                           15461
Transit ASes present in the Internet Routing Table:                6482
Transit-only ASes present in the Internet Routing Table:            173
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:                61
    Unregistered ASNs in the Routing Table:                          16
Number of 32-bit ASNs allocated by the RIRs:                      15101
Number of 32-bit ASNs visible in the Routing Table:               11695
Prefixes from 32-bit ASNs in the Routing Table:                   46366
Number of bogon 32-bit ASNs visible in the Routing Table:            33
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            340
Number of addresses announced to Internet:                   2821914468
    Equivalent to 168 /8s, 50 /16s and 255 /24s
    Percentage of available address space announced:               76.2
    Percentage of allocated address space announced:               76.2
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.2
Total number of prefixes smaller than registry allocations:      197037

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

Prefixes being announced by APNIC Region ASes:                   155735
    Total APNIC prefixes after maximum aggregation:               42924
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          168786
    Unique aggregates announced from the APNIC address blocks:    68899
APNIC Region origin ASes present in the Internet Routing Table:    5189
    APNIC Prefixes per ASN:                                       32.53
APNIC Region origin ASes announcing only one prefix:               1171
APNIC Region transit ASes present in the Internet Routing Table:    928
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         54
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2311
Number of APNIC addresses announced to Internet:              759335748
    Equivalent to 45 /8s, 66 /16s and 139 /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:                    182874
    Total ARIN prefixes after maximum aggregation:                89341
    ARIN Deaggregation factor:                                     2.05
Prefixes being announced from the ARIN address blocks:           188542
    Unique aggregates announced from the ARIN address blocks:     88104
ARIN Region origin ASes present in the Internet Routing Table:    16238
    ARIN Prefixes per ASN:                                        11.61
ARIN Region origin ASes announcing only one prefix:                5734
ARIN Region transit ASes present in the Internet Routing Table:    1712
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:    1402
Number of ARIN addresses announced to Internet:              1105120096
    Equivalent to 65 /8s, 222 /16s and 203 /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:                    145131
    Total RIPE prefixes after maximum aggregation:                71614
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           155153
    Unique aggregates announced from the RIPE address blocks:     96085
RIPE Region origin ASes present in the Internet Routing Table:    18113
    RIPE Prefixes per ASN:                                         8.57
RIPE Region origin ASes announcing only one prefix:                7827
RIPE Region transit ASes present in the Internet Routing Table:    3018
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:    5008
Number of RIPE addresses announced to Internet:               706190208
    Equivalent to 42 /8s, 23 /16s and 155 /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:                   61593
    Total LACNIC prefixes after maximum aggregation:              12302
    LACNIC Deaggregation factor:                                   5.01
Prefixes being announced from the LACNIC address blocks:          76960
    Unique aggregates announced from the LACNIC address blocks:   36993
LACNIC Region origin ASes present in the Internet Routing Table:   2476
    LACNIC Prefixes per ASN:                                      31.08
LACNIC Region origin ASes announcing only one prefix:               556
LACNIC Region transit ASes present in the Internet Routing Table:   581
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        24
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2729
Number of LACNIC addresses announced to Internet:             169885504
    Equivalent to 10 /8s, 32 /16s and 63 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-265628 + 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:                  14463
    Total AfriNIC prefixes after maximum aggregation:              3274
    AfriNIC Deaggregation factor:                                  4.42
Prefixes being announced from the AfriNIC address blocks:         16443
    Unique aggregates announced from the AfriNIC address blocks:   6106
AfriNIC Region origin ASes present in the Internet Routing Table:   737
    AfriNIC Prefixes per ASN:                                     22.31
AfriNIC Region origin ASes announcing only one prefix:              173
AfriNIC Region transit ASes present in the Internet Routing Table:  179
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  245
Number of AfriNIC addresses announced to Internet:             81057280
    Equivalent to 4 /8s, 212 /16s and 214 /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     5551       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3496        385         256   TPG-INTERNET-AP TPG Telecom Limited, AU
 4766     3200      11145        1130   KIXS-AS-KR Korea Telecom, KR
17974     2939        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2659       1494         526   BSNL-NIB National Internet Backbone, IN
 9808     2144       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2056        429         227   TATACOMM-AS TATA Communications formerl
 4808     1759       2293         533   CHINA169-BJ China Unicom Beijing Provin
24560     1531        505         217   AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
38197     1514         94         286   SUNHK-DATA-AS-AP Sun Network (Hong Kong

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     3494       2964         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6389     2227       3671          41   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566     2194        405         110   MEGAPATH5-US - MegaPath Corporation, US
20115     1936       1965         402   CHARTER-NET-HKY-NC - Charter Communicat
30036     1745        341         281   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1714       5082         655   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1688        849         228   ITCDELTA - Earthlink, Inc., US
16509     1382       2530         447   AMAZON-02 - Amazon.com, Inc., US
 7018     1343      20058         997   ATT-INTERNET4 - AT&T Services, Inc., US
  701     1289      10719         696   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     3329        169          15   ALJAWWALSTC-AS , SA
20940     2763       1063        1967   AKAMAI-ASN1 , US
34984     1983        327         357   TELLCOM-AS , TR
12479     1315       1018          46   UNI2-AS , ES
 8551     1213        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1148        355          21   UKRTELNET , UA
13188     1097         98          64   BANKINFORM-AS , UA
 8402     1002        544          15   CORBINA-AS Russia, RU
 9198      928        352          25   KAZTELECOM-AS , KZ
 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     3477        541         154   Telmex Colombia S.A., CO
 8151     2266       3361         544   Uninet S.A. de C.V., MX
 7303     1539        949         243   Telecom Argentina S.A., AR
 6503     1415        437          55   Axtel, S.A.B. de C.V., MX
11830     1344        368          65   Instituto Costarricense de Electricidad
 6147     1076        377          27   Telefonica del Peru S.A.A., PE
 7738      994       1882          40   Telemar Norte Leste S.A., BR
 3816      956        459         212   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      907        125          76   Alestra, S. de R.L. de C.V., MX
28573      896       2180         158   CLARO 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     1184        402          48   LINKdotNET-AS, EG
36903      651        327         118   MT-MPLS, MA
37611      649         48           2   Afrihost, ZA
36992      539       1357          26   ETISALAT-MISR, EG
 8452      524       1472          15   TE-AS TE-AS, EG
37492      380        246          69   ORANGE-TN, TN
24835      348        610          16   RAYA-AS, EG
29571      301         37          12   CITelecom-AS, CI
15399      293         35           6   WANANCHI-KE, KE
 2018      264        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     5551       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3496        385         256   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3494       2964         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3477        541         154   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
 4766     3200      11145        1130   KIXS-AS-KR Korea Telecom, KR
17974     2939        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2763       1063        1967   AKAMAI-ASN1 , US
 9829     2659       1494         526   BSNL-NIB National Internet Backbone, IN
 8151     2266       3361         544   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      3494        3350      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3477        3323      Telmex Colombia S.A., CO
39891      3329        3314      ALJAWWALSTC-AS , SA
 7545      3496        3240      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2939        2861      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 6389      2227        2186      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 9829      2659        2133      BSNL-NIB National Internet Backbone, IN
 9808      2144        2102      CMNET-GD Guangdong Mobile Communication
18566      2194        2084      MEGAPATH5-US - MegaPath Corporation, US
 4766      3200        2070      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
65412   PRIVATE      41.89.7.0/24         36866       JTL, KE
65512   PRIVATE      45.252.244.0/24      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
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
41.73.8.0/24         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     /12:266     
/13:516     /14:1049    /15:1769    /16:13136   /17:7794    /18:12731   
/19:25299   /20:38387   /21:40059   /22:67338   /23:59077   /24:336969  
/25:567     /26:581     /27:386     /28:53      /29:32      /30:14      
/31:1       /32:34      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
22773     2723          3494      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2086          2194      MEGAPATH5-US - MegaPath Corporation, US
30036     1560          1745      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6389     1438          2227      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620     1389          3477      Telmex Colombia S.A., CO
 6983     1339          1688      ITCDELTA - Earthlink, Inc., US
34984     1266          1983      TELLCOM-AS , TR
11492     1166          1263      CABLEONE - CABLE ONE, INC., US
 6849      968          1148      UKRTELNET , UA

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

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

   1:1645      2:764       4:20        5:2146      6:31        8:983    
  12:1769     13:42       14:1755     15:45       16:2        17:92     
  18:125      20:50       22:1        23:1621     24:1792     27:2293   
  31:1782     32:69       33:4        35:5        36:325      37:2372   
  38:1249     39:36       40:94       41:2878     42:446      43:1868   
  44:44       45:2155     46:2545     47:85       49:1197     50:902    
  51:12       52:543      54:348      55:6        56:7        57:42     
  58:1639     59:1001     60:378      61:1812     62:1507     63:1929   
  64:4549     65:2182     66:4239     67:2205     68:1125     69:3261   
  70:1255     71:485      72:2006     74:2546     75:348      76:406    
  77:1426     78:1263     79:854      80:1276     81:1396     82:978    
  83:714      84:856      85:1593     86:491      87:1089     88:543    
  89:2060     90:214      91:6091     92:948      93:2326     94:2438   
  95:2481     96:504      97:353      98:943      99:41      100:78     
 101:1091    103:12006   104:2517    105:124     106:434     107:1329   
 108:648     109:2216    110:1283    111:1661    112:1042    113:1244   
 114:1073    115:1671    116:1639    117:1540    118:2025    119:1574   
 120:921     121:1115    122:2249    123:2026    124:1583    125:1821   
 128:631     129:426     130:412     131:1363    132:601     133:176    
 134:475     135:144     136:384     137:394     138:1820    139:423    
 140:547     141:456     142:660     143:944     144:733     145:163    
 146:937     147:655     148:1387    149:539     150:653     151:872    
 152:638     153:315     154:652     155:956     156:523     157:498    
 158:382     159:1149    160:511     161:730     162:2387    163:562    
 164:907     165:1076    166:321     167:1171    168:2051    169:664    
 170:1854    171:259     172:667     173:1665    174:756     175:694    
 176:1735    177:4029    178:2207    179:1162    180:2145    181:1824   
 182:2024    183:974     184:819     185:7204    186:3117    187:2131   
 188:2173    189:1728    190:7695    191:1270    192:9009    193:5729   
 194:4444    195:3843    196:1730    197:1130    198:5536    199:5733   
 200:7124    201:3644    202:10100   203:9840    204:4500    205:2727   
 206:2971    207:3083    208:4035    209:3868    210:3874    211:2068   
 212:2723    213:2338    214:852     215:70      216:5847    217:1984   
 218:798     219:608     220:1639    221:882     222:691     223:1278   


End of report


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