[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Sep 23 18:01:30 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 24 Sep, 2016

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

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

BGP routing table entries examined:                              611401
    Prefixes after maximum aggregation (per Origin AS):          220201
    Deaggregation factor:                                          2.78
    Unique aggregates announced (without unneeded subnets):      298301
Total ASes present in the Internet Routing Table:                 54892
    Prefixes per ASN:                                             11.14
Origin-only ASes present in the Internet Routing Table:           36377
Origin ASes announcing only one prefix:                           15380
Transit ASes present in the Internet Routing Table:                6523
Transit-only ASes present in the Internet Routing Table:            171
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:                65
    Unregistered ASNs in the Routing Table:                          20
Number of 32-bit ASNs allocated by the RIRs:                      15526
Number of 32-bit ASNs visible in the Routing Table:               11992
Prefixes from 32-bit ASNs in the Routing Table:                   47864
Number of bogon 32-bit ASNs visible in the Routing Table:           102
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            342
Number of addresses announced to Internet:                   2828439524
    Equivalent to 168 /8s, 150 /16s and 143 /24s
    Percentage of available address space announced:               76.4
    Percentage of allocated address space announced:               76.4
    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:      198636

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

Prefixes being announced by APNIC Region ASes:                   156403
    Total APNIC prefixes after maximum aggregation:               42921
    APNIC Deaggregation factor:                                    3.64
Prefixes being announced from the APNIC address blocks:          170011
    Unique aggregates announced from the APNIC address blocks:    69184
APNIC Region origin ASes present in the Internet Routing Table:    5191
    APNIC Prefixes per ASN:                                       32.75
APNIC Region origin ASes announcing only one prefix:               1148
APNIC Region transit ASes present in the Internet Routing Table:    947
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:   2389
Number of APNIC addresses announced to Internet:              759948228
    Equivalent to 45 /8s, 75 /16s and 227 /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:                    184481
    Total ARIN prefixes after maximum aggregation:                89596
    ARIN Deaggregation factor:                                     2.06
Prefixes being announced from the ARIN address blocks:           190286
    Unique aggregates announced from the ARIN address blocks:     88489
ARIN Region origin ASes present in the Internet Routing Table:    16188
    ARIN Prefixes per ASN:                                        11.75
ARIN Region origin ASes announcing only one prefix:                5689
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:    1477
Number of ARIN addresses announced to Internet:              1107456736
    Equivalent to 66 /8s, 2 /16s and 114 /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:                    146000
    Total RIPE prefixes after maximum aggregation:                71898
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           156352
    Unique aggregates announced from the RIPE address blocks:     96559
RIPE Region origin ASes present in the Internet Routing Table:    18136
    RIPE Prefixes per ASN:                                         8.62
RIPE Region origin ASes announcing only one prefix:                7827
RIPE Region transit ASes present in the Internet Routing Table:    3039
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:    5056
Number of RIPE addresses announced to Internet:               708744960
    Equivalent to 42 /8s, 62 /16s and 151 /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:                   61851
    Total LACNIC prefixes after maximum aggregation:              12484
    LACNIC Deaggregation factor:                                   4.95
Prefixes being announced from the LACNIC address blocks:          77626
    Unique aggregates announced from the LACNIC address blocks:   37425
LACNIC Region origin ASes present in the Internet Routing Table:   2474
    LACNIC Prefixes per ASN:                                      31.38
LACNIC Region origin ASes announcing only one prefix:               544
LACNIC Region transit ASes present in the Internet Routing Table:   579
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2807
Number of LACNIC addresses announced to Internet:             170771520
    Equivalent to 10 /8s, 45 /16s and 196 /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:                  14736
    Total AfriNIC prefixes after maximum aggregation:              3292
    AfriNIC Deaggregation factor:                                  4.48
Prefixes being announced from the AfriNIC address blocks:         16784
    Unique aggregates announced from the AfriNIC address blocks:   6330
AfriNIC Region origin ASes present in the Internet Routing Table:   733
    AfriNIC Prefixes per ASN:                                     22.90
AfriNIC Region origin ASes announcing only one prefix:              172
AfriNIC Region transit ASes present in the Internet Routing Table:  182
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:  263
Number of AfriNIC addresses announced to Internet:             81179648
    Equivalent to 4 /8s, 214 /16s and 180 /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     5558       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3525        382         250   TPG-INTERNET-AP TPG Telecom Limited, AU
 4766     3014      11138         984   KIXS-AS-KR Korea Telecom, KR
17974     2943        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2694       1497         532   BSNL-NIB National Internet Backbone, IN
 9808     2246       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2053        429         222   TATACOMM-AS TATA Communications formerl
 4808     1757       2289         524   CHINA169-BJ China Unicom Beijing Provin
45899     1601       1235          89   VNPT-AS-VN VNPT Corp, VN
24560     1548        515         223   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     3515       2964         145   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6389     2221       3671          41   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566     2194        405         110   MEGAPATH5-US - MegaPath Corporation, US
20115     1940       1982         405   CHARTER-NET-HKY-NC - Charter Communicat
30036     1752        339         291   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1730       5071         664   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1676        848         227   ITCDELTA - Earthlink, Inc., US
  701     1625      10693         678   UUNET - MCI Communications Services, In
16509     1403       2534         472   AMAZON-02 - Amazon.com, Inc., US
 7018     1365      20092        1005   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     3329        169          15   ALJAWWALSTC-AS , SA
20940     2816       1069        1999   AKAMAI-ASN1 , US
34984     1968        325         361   TELLCOM-AS , TR
12479     1343       1018          46   UNI2-AS , ES
13188     1236         99          57   BANKINFORM-AS , UA
 8551     1206        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1144        355          21   UKRTELNET , UA
 8402     1089        544          15   CORBINA-AS Russia, RU
 9198      934        352          25   KAZTELECOM-AS , KZ
12389      925       1113         401   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     3484        540         184   Telmex Colombia S.A., CO
 8151     2284       3396         558   Uninet S.A. de C.V., MX
 7303     1543        955         245   Telecom Argentina S.A., AR
 6503     1404        437          55   Axtel, S.A.B. de C.V., MX
11830     1326        367          57   Instituto Costarricense de Electricidad
 6147     1078        377          27   Telefonica del Peru S.A.A., PE
 7738      994       1882          40   Telemar Norte Leste S.A., BR
 3816      965        468         202   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
28573      934       2203         176   CLARO S.A., BR
11172      907        125          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     1179        402          50   LINKdotNET-AS, EG
36903      684        344         115   MT-MPLS, MA
37611      666         51           5   Afrihost, ZA
36992      547       1373          25   ETISALAT-MISR, EG
 8452      539       1472          15   TE-AS TE-AS, EG
37492      384        250          69   ORANGE-TN, TN
24835      349        611          17   RAYA-AS, EG
29571      318         37          12   CITelecom-AS, CI
15399      298         35           7   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     5558       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3525        382         250   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3515       2964         145   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3484        540         184   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
 4766     3014      11138         984   KIXS-AS-KR Korea Telecom, KR
17974     2943        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2816       1069        1999   AKAMAI-ASN1 , US
 9829     2694       1497         532   BSNL-NIB National Internet Backbone, IN
 8151     2284       3396         558   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      3515        3370      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
39891      3329        3314      ALJAWWALSTC-AS , SA
10620      3484        3300      Telmex Colombia S.A., CO
 7545      3525        3275      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2943        2865      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2246        2204      CMNET-GD Guangdong Mobile Communication
 6389      2221        2180      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 9829      2694        2162      BSNL-NIB National Internet Backbone, IN
18566      2194        2084      MEGAPATH5-US - MegaPath Corporation, US
 4766      3014        2030      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
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      /11:103     /12:273     
/13:523     /14:1052    /15:1773    /16:13150   /17:7833    /18:13012   
/19:25408   /20:38759   /21:40323   /22:68143   /23:59710   /24:339823  
/25:504     /26:475     /27:338     /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          3515      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2086          2194      MEGAPATH5-US - MegaPath Corporation, US
30036     1568          1752      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6389     1418          2221      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620     1408          3484      Telmex Colombia S.A., CO
 6983     1325          1676      ITCDELTA - Earthlink, Inc., US
34984     1253          1968      TELLCOM-AS , TR
11492     1206          1304      CABLEONE - CABLE ONE, INC., US
13188     1011          1236      BANKINFORM-AS , UA

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

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

   1:1644      2:780       4:23        5:2174      6:31        8:991    
  12:1805     13:43       14:1742     15:46       16:2        17:97     
  18:126      20:50       22:1        23:1817     24:1803     27:2339   
  31:1783     32:84       33:4        35:5        36:328      37:2316   
  38:1247     39:36       40:101      41:2952     42:454      43:1836   
  44:47       45:2141     46:2545     47:98       49:1213     50:907    
  51:13       52:551      53:2        54:346      55:7        56:7      
  57:41       58:1570     59:1009     60:378      61:1823     62:1511   
  63:1927     64:4556     65:2174     66:4277     67:2209     68:1120   
  69:3263     70:1283     71:556      72:2058     74:2590     75:400    
  76:413      77:1380     78:1214     79:911      80:1298     81:1397   
  82:982      83:705      84:858      85:1566     86:483      87:1128   
  88:543      89:2098     90:231      91:6087     92:955      93:2373   
  94:2438     95:2487     96:558      97:341      98:959      99:89     
 100:148     101:1153    103:12333   104:2482    105:108     106:434    
 107:1428    108:786     109:2257    110:1271    111:1635    112:1054   
 113:1151    114:1084    115:1684    116:1675    117:1562    118:2038   
 119:1576    120:933     121:1121    122:2267    123:2039    124:1569   
 125:1824    128:666     129:439     130:417     131:1369    132:612    
 133:175     134:490     135:196     136:376     137:405     138:1885   
 139:430     140:579     141:462     142:664     143:955     144:729    
 145:164     146:945     147:659     148:1381    149:536     150:657    
 151:879     152:664     153:297     154:695     155:950     156:525    
 157:514     158:386     159:1239    160:510     161:735     162:2403   
 163:555     164:770     165:1135    166:335     167:1188    168:2187   
 169:667     170:1955    171:251     172:708     173:1741    174:760    
 175:674     176:1723    177:3940    178:2240    179:1179    180:2149   
 181:1869    182:2057    183:1001    184:824     185:7474    186:3129   
 187:2118    188:2204    189:1757    190:7673    191:1272    192:9020   
 193:5736    194:4450    195:3844    196:1773    197:1150    198:5581   
 199:5758    200:7159    201:3654    202:10113   203:9836    204:4514   
 205:2746    206:2980    207:3075    208:4046    209:3861    210:3886   
 211:2039    212:2723    213:2345    214:865     215:70      216:5775   
 217:1973    218:810     219:607     220:1635    221:883     222:699    
 223:1306   

End of report


More information about the sanog mailing list