[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Sep 2 18:01:34 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 03 Sep, 2016

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

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

BGP routing table entries examined:                              608392
    Prefixes after maximum aggregation (per Origin AS):          219785
    Deaggregation factor:                                          2.77
    Unique aggregates announced (without unneeded subnets):      297057
Total ASes present in the Internet Routing Table:                 54732
    Prefixes per ASN:                                             11.12
Origin-only ASes present in the Internet Routing Table:           36408
Origin ASes announcing only one prefix:                           15422
Transit ASes present in the Internet Routing Table:                6497
Transit-only ASes present in the Internet Routing Table:            177
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:                      15289
Number of 32-bit ASNs visible in the Routing Table:               11827
Prefixes from 32-bit ASNs in the Routing Table:                   46954
Number of bogon 32-bit ASNs visible in the Routing Table:            56
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            380
Number of addresses announced to Internet:                   2824303844
    Equivalent to 168 /8s, 87 /16s and 116 /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:      197819

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

Prefixes being announced by APNIC Region ASes:                   156248
    Total APNIC prefixes after maximum aggregation:               43060
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          169530
    Unique aggregates announced from the APNIC address blocks:    68826
APNIC Region origin ASes present in the Internet Routing Table:    5189
    APNIC Prefixes per ASN:                                       32.67
APNIC Region origin ASes announcing only one prefix:               1158
APNIC Region transit ASes present in the Internet Routing Table:    939
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:   2347
Number of APNIC addresses announced to Internet:              759491140
    Equivalent to 45 /8s, 68 /16s and 234 /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:                    183404
    Total ARIN prefixes after maximum aggregation:                89371
    ARIN Deaggregation factor:                                     2.05
Prefixes being announced from the ARIN address blocks:           189103
    Unique aggregates announced from the ARIN address blocks:     88251
ARIN Region origin ASes present in the Internet Routing Table:    16207
    ARIN Prefixes per ASN:                                        11.67
ARIN Region origin ASes announcing only one prefix:                5710
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:    1433
Number of ARIN addresses announced to Internet:              1105903584
    Equivalent to 65 /8s, 234 /16s and 191 /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:                    145404
    Total RIPE prefixes after maximum aggregation:                71686
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           155575
    Unique aggregates announced from the RIPE address blocks:     96261
RIPE Region origin ASes present in the Internet Routing Table:    18117
    RIPE Prefixes per ASN:                                         8.59
RIPE Region origin ASes announcing only one prefix:                7831
RIPE Region transit ASes present in the Internet Routing Table:    3020
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:    5030
Number of RIPE addresses announced to Internet:               708253568
    Equivalent to 42 /8s, 55 /16s and 23 /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:                   61769
    Total LACNIC prefixes after maximum aggregation:              12381
    LACNIC Deaggregation factor:                                   4.99
Prefixes being announced from the LACNIC address blocks:          77242
    Unique aggregates announced from the LACNIC address blocks:   37237
LACNIC Region origin ASes present in the Internet Routing Table:   2476
    LACNIC Prefixes per ASN:                                      31.20
LACNIC Region origin ASes announcing only one prefix:               551
LACNIC Region transit ASes present in the Internet Routing Table:   582
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2764
Number of LACNIC addresses announced to Internet:             170489920
    Equivalent to 10 /8s, 41 /16s and 120 /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:                  14552
    Total AfriNIC prefixes after maximum aggregation:              3277
    AfriNIC Deaggregation factor:                                  4.44
Prefixes being announced from the AfriNIC address blocks:         16562
    Unique aggregates announced from the AfriNIC address blocks:   6170
AfriNIC Region origin ASes present in the Internet Routing Table:   732
    AfriNIC Prefixes per ASN:                                     22.63
AfriNIC Region origin ASes announcing only one prefix:              172
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:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  253
Number of AfriNIC addresses announced to Internet:             79780096
    Equivalent to 4 /8s, 193 /16s and 89 /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     5541       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3524        382         250   TPG-INTERNET-AP TPG Telecom Limited, AU
 4766     3208      11146        1129   KIXS-AS-KR Korea Telecom, KR
17974     2943        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2679       1494         527   BSNL-NIB National Internet Backbone, IN
 9808     2144       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2057        429         227   TATACOMM-AS TATA Communications formerl
 4808     1761       2291         524   CHINA169-BJ China Unicom Beijing Provin
45899     1570       1227          93   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     3508       2964         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6389     2201       3671          41   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566     2195        405         110   MEGAPATH5-US - MegaPath Corporation, US
20115     1936       1977         403   CHARTER-NET-HKY-NC - Charter Communicat
30036     1767        343         251   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1702       5073         655   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1677        848         227   ITCDELTA - Earthlink, Inc., US
16509     1380       2530         454   AMAZON-02 - Amazon.com, Inc., US
 7018     1370      20093        1008   ATT-INTERNET4 - AT&T Services, Inc., US
11492     1284        229         621   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     2799       1071        1984   AKAMAI-ASN1 , US
34984     1975        327         356   TELLCOM-AS , TR
12479     1340       1018          46   UNI2-AS , ES
13188     1207         98          71   BANKINFORM-AS , UA
 8551     1203        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1147        355          21   UKRTELNET , UA
 8402     1051        544          15   CORBINA-AS Russia, RU
 9198      916        352          25   KAZTELECOM-AS , KZ
12389      898       1087         407   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     3476        540         171   Telmex Colombia S.A., CO
 8151     2272       3385         555   Uninet S.A. de C.V., MX
 7303     1542        953         243   Telecom Argentina S.A., AR
 6503     1396        437          55   Axtel, S.A.B. de C.V., MX
11830     1327        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      961        463         210   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      907        125          76   Alestra, S. de R.L. de C.V., MX
28573      896       2176         161   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     1182        402          49   LINKdotNET-AS, EG
36903      684        344         115   MT-MPLS, MA
37611      645         48           2   Afrihost, ZA
36992      552       1373          25   ETISALAT-MISR, EG
 8452      527       1472          15   TE-AS TE-AS, EG
37492      384        250          69   ORANGE-TN, TN
24835      344        610          16   RAYA-AS, EG
29571      301         37          12   CITelecom-AS, CI
15399      295         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     5541       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3524        382         250   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3508       2964         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3476        540         171   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
 4766     3208      11146        1129   KIXS-AS-KR Korea Telecom, KR
17974     2943        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2799       1071        1984   AKAMAI-ASN1 , US
 9829     2679       1494         527   BSNL-NIB National Internet Backbone, IN
 8151     2272       3385         555   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      3508        3362      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
39891      3329        3314      ALJAWWALSTC-AS , SA
10620      3476        3305      Telmex Colombia S.A., CO
 7545      3524        3274      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2943        2865      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 6389      2201        2160      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 9829      2679        2152      BSNL-NIB National Internet Backbone, IN
 9808      2144        2102      CMNET-GD Guangdong Mobile Communication
18566      2195        2085      MEGAPATH5-US - MegaPath Corporation, US
 4766      3208        2079      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
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     /12:267     
/13:516     /14:1052    /15:1768    /16:13136   /17:7811    /18:12992   
/19:25305   /20:38539   /21:40208   /22:67597   /23:59424   /24:337949  
/25:568     /26:574     /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     2735          3508      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2087          2195      MEGAPATH5-US - MegaPath Corporation, US
30036     1581          1767      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6389     1424          2201      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620     1394          3476      Telmex Colombia S.A., CO
 6983     1327          1677      ITCDELTA - Earthlink, Inc., US
34984     1258          1975      TELLCOM-AS , TR
11492     1186          1284      CABLEONE - CABLE ONE, INC., US
13188      993          1207      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      2:766       4:22        5:2165      6:31        8:983    
  12:1802     13:42       14:1753     15:45       16:2        17:94     
  18:126      20:50       22:1        23:1696     24:1793     27:2327   
  31:1781     32:85       33:4        35:5        36:309      37:2307   
  38:1251     39:36       40:95       41:2877     42:454      43:1835   
  44:46       45:2136     46:2570     47:88       49:1207     50:906    
  51:13       52:540      54:344      55:8        56:7        57:42     
  58:1641     59:1033     60:381      61:1821     62:1512     63:1909   
  64:4548     65:2192     66:4230     67:2230     68:1124     69:3258   
  70:1278     71:517      72:2043     74:2545     75:398      76:411    
  77:1373     78:1244     79:894      80:1315     81:1402     82:982    
  83:712      84:854      85:1580     86:485      87:1110     88:550    
  89:2070     90:215      91:6068     92:953      93:2364     94:2456   
  95:2478     96:529      97:338      98:944      99:90      100:77     
 101:1138    103:12145   104:2485    105:126     106:437     107:1342   
 108:660     109:2261    110:1276    111:1636    112:1049    113:1137   
 114:1054    115:1683    116:1642    117:1552    118:2043    119:1580   
 120:926     121:1118    122:2262    123:2016    124:1562    125:1842   
 128:651     129:455     130:412     131:1381    132:607     133:176    
 134:484     135:144     136:383     137:402     138:1863    139:419    
 140:576     141:461     142:662     143:961     144:739     145:163    
 146:938     147:655     148:1387    149:528     150:659     151:873    
 152:650     153:295     154:672     155:942     156:524     157:504    
 158:389     159:1204    160:506     161:732     162:2393    163:562    
 164:754     165:1101    166:323     167:1160    168:2092    169:664    
 170:1882    171:252     172:673     173:1697    174:754     175:664    
 176:1733    177:4027    178:2220    179:1151    180:2144    181:1834   
 182:2045    183:985     184:826     185:7279    186:3128    187:2115   
 188:2169    189:1760    190:7679    191:1262    192:9021    193:5713   
 194:4455    195:3854    196:1732    197:1141    198:5557    199:5752   
 200:7164    201:3655    202:10107   203:9841    204:4504    205:2737   
 206:2962    207:3104    208:4015    209:3869    210:3880    211:2051   
 212:2739    213:2333    214:853     215:71      216:5833    217:1977   
 218:797     219:613     220:1642    221:884     222:693     223:1286   


End of report


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