Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Dec 2 18:01:56 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 Dec, 2016

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

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

BGP routing table entries examined:                              623873
    Prefixes after maximum aggregation (per Origin AS):          221154
    Deaggregation factor:                                          2.82
    Unique aggregates announced (without unneeded subnets):      303044
Total ASes present in the Internet Routing Table:                 55364
    Prefixes per ASN:                                             11.27
Origin-only ASes present in the Internet Routing Table:           36335
Origin ASes announcing only one prefix:                           15281
Transit ASes present in the Internet Routing Table:                6530
Transit-only ASes present in the Internet Routing Table:            168
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                59
    Unregistered ASNs in the Routing Table:                          15
Number of 32-bit ASNs allocated by the RIRs:                      16391
Number of 32-bit ASNs visible in the Routing Table:               12499
Prefixes from 32-bit ASNs in the Routing Table:                   50896
Number of bogon 32-bit ASNs visible in the Routing Table:           507
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            409
Number of addresses announced to Internet:                   2833731044
    Equivalent to 168 /8s, 231 /16s and 77 /24s
    Percentage of available address space announced:               76.5
    Percentage of allocated address space announced:               76.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.3
Total number of prefixes smaller than registry allocations:      206138

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

Prefixes being announced by APNIC Region ASes:                   156912
    Total APNIC prefixes after maximum aggregation:               43068
    APNIC Deaggregation factor:                                    3.64
Prefixes being announced from the APNIC address blocks:          171108
    Unique aggregates announced from the APNIC address blocks:    70433
APNIC Region origin ASes present in the Internet Routing Table:    5191
    APNIC Prefixes per ASN:                                       32.96
APNIC Region origin ASes announcing only one prefix:               1150
APNIC Region transit ASes present in the Internet Routing Table:    938
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2523
Number of APNIC addresses announced to Internet:              760055428
    Equivalent to 45 /8s, 77 /16s and 134 /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:                    188330
    Total ARIN prefixes after maximum aggregation:                89429
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           194748
    Unique aggregates announced from the ARIN address blocks:     89435
ARIN Region origin ASes present in the Internet Routing Table:    16118
    ARIN Prefixes per ASN:                                        12.08
ARIN Region origin ASes announcing only one prefix:                5621
ARIN Region transit ASes present in the Internet Routing Table:    1704
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:    1618
Number of ARIN addresses announced to Internet:              1106558880
    Equivalent to 65 /8s, 244 /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:                    149276
    Total RIPE prefixes after maximum aggregation:                72731
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           160495
    Unique aggregates announced from the RIPE address blocks:     98387
RIPE Region origin ASes present in the Internet Routing Table:    18161
    RIPE Prefixes per ASN:                                         8.84
RIPE Region origin ASes announcing only one prefix:                7785
RIPE Region transit ASes present in the Internet Routing Table:    3047
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5098
Number of RIPE addresses announced to Internet:               709672576
    Equivalent to 42 /8s, 76 /16s and 190 /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:                   63222
    Total LACNIC prefixes after maximum aggregation:              12666
    LACNIC Deaggregation factor:                                   4.99
Prefixes being announced from the LACNIC address blocks:          79653
    Unique aggregates announced from the LACNIC address blocks:   37858
LACNIC Region origin ASes present in the Internet Routing Table:   2484
    LACNIC Prefixes per ASN:                                      32.07
LACNIC Region origin ASes announcing only one prefix:               551
LACNIC Region transit ASes present in the Internet Routing Table:   593
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2981
Number of LACNIC addresses announced to Internet:             170921024
    Equivalent to 10 /8s, 48 /16s and 12 /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:                  15177
    Total AfriNIC prefixes after maximum aggregation:              3252
    AfriNIC Deaggregation factor:                                  4.67
Prefixes being announced from the AfriNIC address blocks:         17460
    Unique aggregates announced from the AfriNIC address blocks:   6564
AfriNIC Region origin ASes present in the Internet Routing Table:   737
    AfriNIC Prefixes per ASN:                                     23.69
AfriNIC Region origin ASes announcing only one prefix:              174
AfriNIC Region transit ASes present in the Internet Routing Table:  179
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  279
Number of AfriNIC addresses announced to Internet:             86055424
    Equivalent to 5 /8s, 33 /16s and 26 /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     5550       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3645        390         252   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2980        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2713       1500         539   BSNL-NIB National Internet Backbone, IN
 4766     2699      11132         742   KIXS-AS-KR Korea Telecom, KR
 9808     2234       8698          33   CMNET-GD Guangdong Mobile Communication
 4755     2045        428         218   TATACOMM-AS TATA Communications formerl
45899     1740       1260          90   VNPT-AS-VN VNPT Corp, VN
 4808     1652       2166         472   CHINA169-BJ China Unicom Beijing Provin
24560     1566        542         228   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     3577       2968         151   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3259       1333          82   SHAW - Shaw Communications Inc., CA
18566     2196        405         109   MEGAPATH5-US - MegaPath Corporation, US
 6389     2095       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1954       2014         405   CHARTER-NET-HKY-NC - Charter Communicat
30036     1779        335         340   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1740       5069         652   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1678        848         227   ITCDELTA - Earthlink, Inc., US
  701     1602      10634         657   UUNET - MCI Communications Services, In
16509     1502       2818         510   AMAZON-02 - Amazon.com, 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     3141        163          17   ALJAWWALSTC-AS , SA
20940     2953       1117        2097   AKAMAI-ASN1 , US
 9121     2043       1691          18   TTNET , TR
34984     1991        328         365   TELLCOM-AS , TR
13188     1605         99          58   TRIOLAN , UA
12479     1392       1032          53   UNI2-AS , ES
 8551     1201        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1199        355          22   UKRTELNET , UA
 8402     1132        544          15   CORBINA-AS OJSC "Vimpelcom", RU
12389      958       1136         427   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     3529        544         163   Telmex Colombia S.A., CO
 8151     2286       3370         551   Uninet S.A. de C.V., MX
 6503     1540        437          54   Axtel, S.A.B. de C.V., MX
 7303     1517        964         246   Telecom Argentina S.A., AR
11830     1421        368          66   Instituto Costarricense de Electricidad
 6147     1286        377          27   Telefonica del Peru S.A.A., PE
28573     1037       2269         171   CLARO S.A., BR
 3816      987        476         185   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      911        126          80   Alestra, S. de R.L. de C.V., MX
18881      873       1036          22   TELEFÔNICA BRASIL 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     1219        402          42   LINKdotNET-AS, EG
36903      692        348         117   MT-MPLS, MA
37611      683         67           6   Afrihost, ZA
36992      575       1373          25   ETISALAT-MISR, EG
 8452      471       1472          15   TE-AS TE-AS, EG
24835      419        658          16   RAYA-AS, EG
37492      396        288          72   ORANGE-TN, TN
29571      364         37          11   CITelecom-AS, CI
15399      312         35           6   WANANCHI-KE, KE
36974      275        140          11   AFNET-AS, CI

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     5550       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3645        390         252   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3577       2968         151   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3529        544         163   Telmex Colombia S.A., CO
 6327     3259       1333          82   SHAW - Shaw Communications Inc., CA
39891     3141        163          17   ALJAWWALSTC-AS , SA
17974     2980        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2953       1117        2097   AKAMAI-ASN1 , US
 9829     2713       1500         539   BSNL-NIB National Internet Backbone, IN
 4766     2699      11132         742   KIXS-AS-KR Korea Telecom, KR

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      3577        3426      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 7545      3645        3393      TPG-INTERNET-AP TPG Telecom Limited, AU
10620      3529        3366      Telmex Colombia S.A., CO
 6327      3259        3177      SHAW - Shaw Communications Inc., CA
39891      3141        3124      ALJAWWALSTC-AS , SA
17974      2980        2909      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2234        2201      CMNET-GD Guangdong Mobile Communication
 9829      2713        2174      BSNL-NIB National Internet Backbone, IN
18566      2196        2087      MEGAPATH5-US - MegaPath Corporation, US
 6389      2095        2056      BELLSOUTH-NET-BLK - BellSouth.net Inc.,

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
64855   PRIVATE      41.220.200.0/21      36945       mcelISP, MZ
65001   PRIVATE      46.237.32.0/20       13118       ASN-YARTELECOM PJSC Rostelecom

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

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
14.128.12.0/22       55763     UNKNOWN
14.128.12.0/24       55763     UNKNOWN
14.128.13.0/24       55763     UNKNOWN
14.128.15.0/24       55763     UNKNOWN
27.100.7.0/24        56096     UNKNOWN
27.110.192.0/22      45664     UNKNOWN
27.110.196.0/22      45664     UNKNOWN
27.110.200.0/22      45664     UNKNOWN
27.110.204.0/22      45664     UNKNOWN
27.110.224.0/22      45664     UNKNOWN

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      /11:102     /12:274     
/13:523     /14:1048    /15:1786    /16:13156   /17:7814    /18:13036   
/19:25275   /20:38169   /21:40591   /22:72581   /23:60642   /24:347386  
/25:523     /26:411     /27:325     /28:69      /29:40      /30:22      
/31:1       /32:34      

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

  ASN   No of nets  Total ann.   Description
 6327     3055          3259      SHAW - Shaw Communications Inc., CA
39891     2896          3141      ALJAWWALSTC-AS , SA
22773     2784          3577      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2089          2196      MEGAPATH5-US - MegaPath Corporation, US
30036     1594          1779      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1444          3529      Telmex Colombia S.A., CO
 9121     1426          2043      TTNET , TR
 6389     1393          2095      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1350          1605      TRIOLAN , UA
 6983     1323          1678      ITCDELTA - Earthlink, Inc., US

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

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

   1:1581      2:815       4:24        5:2346      6:32        8:1011   
  12:1809     13:54       14:1775     15:23       16:2        17:102    
  18:130      19:1        20:49       23:1940     24:1818     27:2367   
  31:1812     32:83       33:11       35:3        36:360      37:2429   
  38:1306     39:42       40:99       41:2965     42:446      43:1926   
  44:51       45:2231     46:2531     47:108      49:1192     50:946    
  51:14       52:596      54:354      55:8        56:4        57:40     
  58:1562     59:979      60:379      61:1842     62:1487     63:1935   
  64:4558     65:2168     66:4370     67:2255     68:1155     69:3293   
  70:1296     71:561      72:2072     74:2588     75:400      76:414    
  77:1432     78:1548     79:916      80:1358     81:1409     82:1018   
  83:708      84:865      85:1700     86:481      87:1125     88:751    
  89:2037     90:201      91:6088     92:931      93:2350     94:2432   
  95:2687     96:575      97:356      98:939      99:94      100:148    
 101:1189    103:12895   104:2579    105:140     106:468     107:1489   
 108:783     109:2486    110:1280    111:1659    112:1151    113:1155   
 114:1054    115:1697    116:1682    117:1570    118:2106    119:1578   
 120:982     121:1098    122:2288    123:2033    124:1600    125:1847   
 128:679     129:473     130:430     131:1395    132:616     133:177    
 134:523     135:208     136:403     137:394     138:1806    139:437    
 140:621     141:475     142:715     143:927     144:736     145:171    
 146:951     147:599     148:1391    149:551     150:680     151:840    
 152:693     153:310     154:691     155:947     156:542     157:571    
 158:435     159:1323    160:558     161:719     162:2450    163:545    
 164:788     165:1126    166:356     167:1215    168:2358    169:685    
 170:2391    171:262     172:829     173:1830    174:764     175:711    
 176:1751    177:4112    178:2385    179:1145    180:2185    181:1971   
 182:2128    183:1013    184:842     185:8113    186:3224    187:2232   
 188:2323    189:1786    190:7951    191:1315    192:9164    193:5739   
 194:4548    195:3841    196:1879    197:1250    198:5590    199:5828   
 200:7192    201:3730    202:10183   203:9823    204:4482    205:2756   
 206:3004    207:3139    208:4055    209:3889    210:3891    211:2064   
 212:2739    213:2440    214:856     215:66      216:5741    217:1981   
 218:819     219:599     220:1653    221:883     222:716     223:1365   


End of report


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