[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Sep 9 18:01:36 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 10 Sep, 2016

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

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

BGP routing table entries examined:                              608869
    Prefixes after maximum aggregation (per Origin AS):          219887
    Deaggregation factor:                                          2.77
    Unique aggregates announced (without unneeded subnets):      297693
Total ASes present in the Internet Routing Table:                 54797
    Prefixes per ASN:                                             11.11
Origin-only ASes present in the Internet Routing Table:           36393
Origin ASes announcing only one prefix:                           15419
Transit ASes present in the Internet Routing Table:                6519
Transit-only ASes present in the Internet Routing Table:            176
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:                      15349
Number of 32-bit ASNs visible in the Routing Table:               11885
Prefixes from 32-bit ASNs in the Routing Table:                   47401
Number of bogon 32-bit ASNs visible in the Routing Table:            68
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            402
Number of addresses announced to Internet:                   2827227492
    Equivalent to 168 /8s, 132 /16s and 17 /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:      197756

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

Prefixes being announced by APNIC Region ASes:                   156029
    Total APNIC prefixes after maximum aggregation:               42960
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          169453
    Unique aggregates announced from the APNIC address blocks:    68913
APNIC Region origin ASes present in the Internet Routing Table:    5199
    APNIC Prefixes per ASN:                                       32.59
APNIC Region origin ASes announcing only one prefix:               1164
APNIC Region transit ASes present in the Internet Routing Table:    947
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:   2361
Number of APNIC addresses announced to Internet:              759442244
    Equivalent to 45 /8s, 68 /16s and 43 /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:                    183621
    Total ARIN prefixes after maximum aggregation:                89506
    ARIN Deaggregation factor:                                     2.05
Prefixes being announced from the ARIN address blocks:           189303
    Unique aggregates announced from the ARIN address blocks:     88433
ARIN Region origin ASes present in the Internet Routing Table:    16204
    ARIN Prefixes per ASN:                                        11.68
ARIN Region origin ASes announcing only one prefix:                5706
ARIN Region transit ASes present in the Internet Routing Table:    1713
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:    1453
Number of ARIN addresses announced to Internet:              1107311840
    Equivalent to 66 /8s, 0 /16s and 60 /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:                    145625
    Total RIPE prefixes after maximum aggregation:                71753
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           155882
    Unique aggregates announced from the RIPE address blocks:     96418
RIPE Region origin ASes present in the Internet Routing Table:    18119
    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:    3028
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:    5039
Number of RIPE addresses announced to Internet:               708201216
    Equivalent to 42 /8s, 54 /16s and 75 /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:                   61547
    Total LACNIC prefixes after maximum aggregation:              12383
    LACNIC Deaggregation factor:                                   4.97
Prefixes being announced from the LACNIC address blocks:          77216
    Unique aggregates announced from the LACNIC address blocks:   37336
LACNIC Region origin ASes present in the Internet Routing Table:   2474
    LACNIC Prefixes per ASN:                                      31.21
LACNIC Region origin ASes announcing only one prefix:               543
LACNIC Region transit ASes present in the Internet Routing Table:   584
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2771
Number of LACNIC addresses announced to Internet:             170757184
    Equivalent to 10 /8s, 45 /16s and 140 /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:                  14585
    Total AfriNIC prefixes after maximum aggregation:              3275
    AfriNIC Deaggregation factor:                                  4.45
Prefixes being announced from the AfriNIC address blocks:         16613
    Unique aggregates announced from the AfriNIC address blocks:   6268
AfriNIC Region origin ASes present in the Internet Routing Table:   733
    AfriNIC Prefixes per ASN:                                     22.66
AfriNIC Region origin ASes announcing only one prefix:              174
AfriNIC Region transit ASes present in the Internet Routing Table:  180
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:             81113088
    Equivalent to 4 /8s, 213 /16s and 176 /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     5547       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3531        382         250   TPG-INTERNET-AP TPG Telecom Limited, AU
 4766     3116      11143        1066   KIXS-AS-KR Korea Telecom, KR
17974     2942        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2683       1496         528   BSNL-NIB National Internet Backbone, IN
 9808     2251       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2051        429         222   TATACOMM-AS TATA Communications formerl
 4808     1760       2295         528   CHINA169-BJ China Unicom Beijing Provin
45899     1574       1231          90   VNPT-AS-VN VNPT Corp, VN
24560     1538        508         220   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     3512       2964         146   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     1937       1977         403   CHARTER-NET-HKY-NC - Charter Communicat
30036     1725        337         345   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1702       5069         649   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1677        848         227   ITCDELTA - Earthlink, Inc., US
16509     1395       2532         458   AMAZON-02 - Amazon.com, Inc., US
 7018     1369      20093        1007   ATT-INTERNET4 - AT&T Services, Inc., US
11492     1285        229         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     2819       1077        1997   AKAMAI-ASN1 , US
34984     1974        327         356   TELLCOM-AS , TR
12479     1329       1018          46   UNI2-AS , ES
13188     1223         99          65   BANKINFORM-AS , UA
 8551     1205        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1144        355          21   UKRTELNET , UA
 8402     1074        544          15   CORBINA-AS Russia, RU
 9198      936        352          25   KAZTELECOM-AS , KZ
12389      923       1091         400   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     3479        541         167   Telmex Colombia S.A., CO
 8151     2287       3417         568   Uninet S.A. de C.V., MX
 7303     1544        954         245   Telecom Argentina S.A., AR
 6503     1396        437          55   Axtel, S.A.B. de C.V., MX
11830     1325        367          57   Instituto Costarricense de Electricidad
 6147     1081        377          27   Telefonica del Peru S.A.A., PE
 7738      994       1882          40   Telemar Norte Leste S.A., BR
 3816      962        464         209   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      907        125          76   Alestra, S. de R.L. de C.V., MX
28573      897       2180         162   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     1179        402          50   LINKdotNET-AS, EG
36903      684        344         115   MT-MPLS, MA
37611      647         48           2   Afrihost, ZA
36992      547       1373          25   ETISALAT-MISR, EG
 8452      540       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      296         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     5547       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3531        382         250   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3512       2964         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3479        541         167   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
 4766     3116      11143        1066   KIXS-AS-KR Korea Telecom, KR
17974     2942        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2819       1077        1997   AKAMAI-ASN1 , US
 9829     2683       1496         528   BSNL-NIB National Internet Backbone, IN
 8151     2287       3417         568   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      3512        3366      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
39891      3329        3314      ALJAWWALSTC-AS , SA
10620      3479        3312      Telmex Colombia S.A., CO
 7545      3531        3281      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2942        2864      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2251        2209      CMNET-GD Guangdong Mobile Communication
 6389      2219        2178      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 9829      2683        2155      BSNL-NIB National Internet Backbone, IN
18566      2195        2085      MEGAPATH5-US - MegaPath Corporation, US
 4766      3116        2050      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    /15:1767    /16:13140   /17:7822    /18:12982   
/19:25320   /20:38642   /21:40272   /22:67769   /23:59371   /24:338263  
/25:531     /26:510     /27:344     /28:52      /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     2737          3512      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2087          2195      MEGAPATH5-US - MegaPath Corporation, US
30036     1539          1725      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6389     1418          2219      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620     1396          3479      Telmex Colombia S.A., CO
 6983     1327          1677      ITCDELTA - Earthlink, Inc., US
34984     1257          1974      TELLCOM-AS , TR
11492     1187          1285      CABLEONE - CABLE ONE, INC., US
13188      999          1223      BANKINFORM-AS , UA

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

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

   1:1619      2:770       4:21        5:2178      6:31        8:984    
  12:1803     13:42       14:1755     15:45       16:2        17:95     
  18:126      20:50       22:1        23:1705     24:1797     27:2322   
  31:1787     32:85       33:4        35:5        36:313      37:2310   
  38:1252     39:36       40:96       41:2885     42:454      43:1852   
  44:47       45:2142     46:2575     47:93       49:1214     50:900    
  51:13       52:546      54:345      55:7        56:7        57:42     
  58:1564     59:1006     60:381      61:1813     62:1513     63:1909   
  64:4541     65:2185     66:4248     67:2213     68:1116     69:3254   
  70:1280     71:525      72:2046     74:2544     75:398      76:415    
  77:1374     78:1225     79:910      80:1305     81:1400     82:983    
  83:715      84:853      85:1570     86:486      87:1123     88:552    
  89:2077     90:202      91:6060     92:945      93:2364     94:2415   
  95:2478     96:519      97:340      98:947      99:90      100:78     
 101:1158    103:12243   104:2489    105:126     106:437     107:1391   
 108:660     109:2259    110:1276    111:1629    112:1050    113:1143   
 114:1042    115:1680    116:1649    117:1542    118:2038    119:1578   
 120:930     121:1118    122:2263    123:2015    124:1560    125:1832   
 128:666     129:457     130:412     131:1383    132:611     133:176    
 134:484     135:145     136:381     137:409     138:1891    139:422    
 140:577     141:454     142:662     143:981     144:737     145:162    
 146:945     147:655     148:1390    149:529     150:664     151:878    
 152:653     153:297     154:683     155:947     156:528     157:505    
 158:389     159:1228    160:511     161:732     162:2381    163:535    
 164:772     165:1101    166:333     167:1195    168:2140    169:666    
 170:1908    171:260     172:684     173:1688    174:758     175:670    
 176:1736    177:4005    178:2240    179:1157    180:2158    181:1860   
 182:1998    183:996     184:824     185:7343    186:3166    187:2111   
 188:2171    189:1757    190:7638    191:1273    192:9033    193:5721   
 194:4459    195:3850    196:1761    197:1136    198:5563    199:5756   
 200:7120    201:3660    202:10105   203:9830    204:4511    205:2739   
 206:2960    207:3087    208:4020    209:3860    210:3888    211:2037   
 212:2744    213:2331    214:838     215:70      216:5803    217:1987   
 218:797     219:609     220:1633    221:884     222:696     223:1281   


End of report


More information about the sanog mailing list