[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 12 18:01:40 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 13 Aug, 2016

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

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

BGP routing table entries examined:                              605983
    Prefixes after maximum aggregation (per Origin AS):          219519
    Deaggregation factor:                                          2.76
    Unique aggregates announced (without unneeded subnets):      296865
Total ASes present in the Internet Routing Table:                 54571
    Prefixes per ASN:                                             11.10
Origin-only ASes present in the Internet Routing Table:           36463
Origin ASes announcing only one prefix:                           15482
Transit ASes present in the Internet Routing Table:                6484
Transit-only ASes present in the Internet Routing Table:            174
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:                          16
Number of 32-bit ASNs allocated by the RIRs:                      15008
Number of 32-bit ASNs visible in the Routing Table:               11624
Prefixes from 32-bit ASNs in the Routing Table:                   46222
Number of bogon 32-bit ASNs visible in the Routing Table:            27
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            366
Number of addresses announced to Internet:                   2823070052
    Equivalent to 168 /8s, 68 /16s and 161 /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:               98.2
Total number of prefixes smaller than registry allocations:      197230

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

Prefixes being announced by APNIC Region ASes:                   155411
    Total APNIC prefixes after maximum aggregation:               42917
    APNIC Deaggregation factor:                                    3.62
Prefixes being announced from the APNIC address blocks:          168363
    Unique aggregates announced from the APNIC address blocks:    68727
APNIC Region origin ASes present in the Internet Routing Table:    5192
    APNIC Prefixes per ASN:                                       32.43
APNIC Region origin ASes announcing only one prefix:               1174
APNIC Region transit ASes present in the Internet Routing Table:    929
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:   2288
Number of APNIC addresses announced to Internet:              759458116
    Equivalent to 45 /8s, 68 /16s and 105 /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:                    182946
    Total ARIN prefixes after maximum aggregation:                89491
    ARIN Deaggregation factor:                                     2.04
Prefixes being announced from the ARIN address blocks:           188570
    Unique aggregates announced from the ARIN address blocks:     88668
ARIN Region origin ASes present in the Internet Routing Table:    16255
    ARIN Prefixes per ASN:                                        11.60
ARIN Region origin ASes announcing only one prefix:                5747
ARIN Region transit ASes present in the Internet Routing Table:    1702
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:    1388
Number of ARIN addresses announced to Internet:              1105635168
    Equivalent to 65 /8s, 230 /16s and 167 /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:                    145178
    Total RIPE prefixes after maximum aggregation:                71583
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           155202
    Unique aggregates announced from the RIPE address blocks:     96113
RIPE Region origin ASes present in the Internet Routing Table:    18111
    RIPE Prefixes per ASN:                                         8.57
RIPE Region origin ASes announcing only one prefix:                7832
RIPE Region transit ASes present in the Internet Routing Table:    3026
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:    4998
Number of RIPE addresses announced to Internet:               706273664
    Equivalent to 42 /8s, 24 /16s and 225 /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:                   61758
    Total LACNIC prefixes after maximum aggregation:              12273
    LACNIC Deaggregation factor:                                   5.03
Prefixes being announced from the LACNIC address blocks:          77094
    Unique aggregates announced from the LACNIC address blocks:   36939
LACNIC Region origin ASes present in the Internet Routing Table:   2470
    LACNIC Prefixes per ASN:                                      31.21
LACNIC Region origin ASes announcing only one prefix:               555
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:  2706
Number of LACNIC addresses announced to Internet:             170203968
    Equivalent to 10 /8s, 37 /16s and 27 /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:                  14402
    Total AfriNIC prefixes after maximum aggregation:              3245
    AfriNIC Deaggregation factor:                                  4.44
Prefixes being announced from the AfriNIC address blocks:         16388
    Unique aggregates announced from the AfriNIC address blocks:   6087
AfriNIC Region origin ASes present in the Internet Routing Table:   738
    AfriNIC Prefixes per ASN:                                     22.21
AfriNIC Region origin ASes announcing only one prefix:              174
AfriNIC Region transit ASes present in the Internet Routing Table:  177
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:  244
Number of AfriNIC addresses announced to Internet:             81167616
    Equivalent to 4 /8s, 214 /16s and 133 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
 4538     5544       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3483        385         256   TPG-INTERNET-AP TPG Telecom Limited, AU
 4766     3192      11145        1127   KIXS-AS-KR Korea Telecom, KR
17974     2939        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2633       1491         518   BSNL-NIB National Internet Backbone, IN
 9808     2143       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2056        429         225   TATACOMM-AS TATA Communications formerl
 4808     1797       2300         543   CHINA169-BJ China Unicom Beijing Provin
24560     1532        505         217   AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
38197     1505         93         289   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     3498       2964         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6389     2227       3671          41   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566     2195        405         110   MEGAPATH5-US - MegaPath Corporation, US
20115     1937       1965         403   CHARTER-NET-HKY-NC - Charter Communicat
30036     1757        345         267   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1717       5083         658   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1687        849         228   ITCDELTA - Earthlink, Inc., US
16509     1376       2482         449   AMAZON-02 - Amazon.com, Inc., US
 7018     1344      20054         998   ATT-INTERNET4 - AT&T Services, Inc., US
  701     1290      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     2740       1052        1947   AKAMAI-ASN1 , US
34984     1976        327         357   TELLCOM-AS , TR
12479     1313       1018          45   UNI2-AS , ES
 8551     1213        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1148        355          21   UKRTELNET , UA
13188     1095         98          63   BANKINFORM-AS , UA
 8402     1010        544          15   CORBINA-AS Russia, RU
 9198      971        352          25   KAZTELECOM-AS , KZ
 6830      884       2752         463   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     3460        540         170   Telmex Colombia S.A., CO
 8151     2265       3361         544   Uninet S.A. de C.V., MX
 7303     1531        949         243   Telecom Argentina S.A., AR
 6503     1415        437          54   Axtel, S.A.B. de C.V., MX
11830     1342        368          64   Instituto Costarricense de Electricidad
 6147     1093        377          27   Telefonica del Peru S.A.A., PE
 3816     1003        480         178   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 7738      994       1882          40   Telemar Norte Leste S.A., BR
11172      906        125          76   Alestra, S. de R.L. de C.V., MX
28573      895       2179         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     1184        402          48   LINKdotNET-AS, EG
36903      656        330         109   MT-MPLS, MA
37611      652         48           2   Afrihost, ZA
36992      539       1357          26   ETISALAT-MISR, EG
 8452      513       1472          15   TE-AS TE-AS, EG
37492      392        246          69   ORANGE-TN, TN
24835      346        610          16   RAYA-AS, EG
29571      300         37          12   CITelecom-AS, CI
15399      293         35           6   WANANCHI-KE, KE
 2018      265        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     5544       4190          74   ERX-CERNET-BKB China Education and Rese
22773     3498       2964         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 7545     3483        385         256   TPG-INTERNET-AP TPG Telecom Limited, AU
10620     3460        540         170   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
 4766     3192      11145        1127   KIXS-AS-KR Korea Telecom, KR
17974     2939        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2740       1052        1947   AKAMAI-ASN1 , US
 9829     2633       1491         518   BSNL-NIB National Internet Backbone, IN
 8151     2265       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      3498        3354      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
39891      3329        3314      ALJAWWALSTC-AS , SA
10620      3460        3290      Telmex Colombia S.A., CO
 7545      3483        3227      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      2633        2115      BSNL-NIB National Internet Backbone, IN
 9808      2143        2101      CMNET-GD Guangdong Mobile Communication
18566      2195        2085      MEGAPATH5-US - MegaPath Corporation, US
 4766      3192        2065      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     
/13:518     /14:1051    /15:1771    /16:13146   /17:7828    /18:12740   
/19:25283   /20:38406   /21:40068   /22:67238   /23:59029   /24:336803  
/25:570     /26:584     /27:382     /28:54      /29:32      /30:14      
/31:1       /32:33      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
22773     2728          3498      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2087          2195      MEGAPATH5-US - MegaPath Corporation, US
30036     1570          1757      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6389     1438          2227      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620     1387          3460      Telmex Colombia S.A., CO
 6983     1338          1687      ITCDELTA - Earthlink, Inc., US
34984     1259          1976      TELLCOM-AS , TR
11492     1180          1278      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)
----------------------------------------------

   1:1616      2:763       4:21        5:2138      6:31        8:987    
  12:1767     13:43       14:1750     15:45       16:2        17:91     
  18:123      20:49       22:1        23:1595     24:1799     27:2304   
  31:1775     32:69       33:3        34:2        35:5        36:323    
  37:2307     38:1243     39:35       40:94       41:2838     42:449    
  43:1859     44:43       45:2152     46:2541     47:85       49:1189   
  50:901      51:12       52:544      54:345      55:7        56:7      
  57:42       58:1638     59:980      60:364      61:1811     62:1504   
  63:1925     64:4548     65:2177     66:4259     67:2206     68:1129   
  69:3261     70:1250     71:485      72:2013     74:2546     75:347    
  76:393      77:1445     78:1263     79:860      80:1274     81:1398   
  82:978      83:712      84:849      85:1615     86:486      87:1096   
  88:543      89:2117     90:213      91:6087     92:979      93:2369   
  94:2448     95:2496     96:498      97:353      98:949      99:41     
 100:78      101:1085    103:11912   104:2542    105:124     106:438    
 107:1329    108:647     109:2252    110:1279    111:1658    112:1041   
 113:1243    114:1079    115:1667    116:1629    117:1543    118:2018   
 119:1585    120:926     121:1111    122:2260    123:2005    124:1587   
 125:1805    128:667     129:425     130:410     131:1353    132:628    
 133:172     134:471     135:141     136:384     137:394     138:1811   
 139:421     140:549     141:452     142:660     143:935     144:729    
 145:164     146:932     147:654     148:1391    149:538     150:645    
 151:872     152:637     153:300     154:649     155:961     156:519    
 157:492     158:382     159:1144    160:510     161:731     162:2375   
 163:559     164:903     165:1073    166:323     167:1166    168:2020   
 169:664     170:1850    171:254     172:664     173:1661    174:758    
 175:699     176:1726    177:4079    178:2212    179:1176    180:2146   
 181:1823    182:2012    183:966     184:821     185:7139    186:3096   
 187:2129    188:2171    189:1721    190:7733    191:1263    192:9007   
 193:5733    194:4437    195:3848    196:1725    197:1126    198:5543   
 199:5741    200:7157    201:3644    202:10133   203:9805    204:4499   
 205:2712    206:2974    207:3091    208:4053    209:3877    210:3873   
 211:2047    212:2726    213:2366    214:866     215:69      216:5870   
 217:1976    218:796     219:609     220:1638    221:868     222:689    
 223:1257   

End of report


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