[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 18 18:01:46 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 19 Nov, 2016

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

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

BGP routing table entries examined:                              623487
    Prefixes after maximum aggregation (per Origin AS):          220779
    Deaggregation factor:                                          2.82
    Unique aggregates announced (without unneeded subnets):      302048
Total ASes present in the Internet Routing Table:                 55250
    Prefixes per ASN:                                             11.28
Origin-only ASes present in the Internet Routing Table:           36327
Origin ASes announcing only one prefix:                           15324
Transit ASes present in the Internet Routing Table:                6538
Transit-only ASes present in the Internet Routing Table:            164
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      36
    Max AS path prepend of ASN ( 55644)                              31
Prefixes from unregistered ASNs in the Routing Table:                64
    Unregistered ASNs in the Routing Table:                          20
Number of 32-bit ASNs allocated by the RIRs:                      16184
Number of 32-bit ASNs visible in the Routing Table:               12385
Prefixes from 32-bit ASNs in the Routing Table:                   50127
Number of bogon 32-bit ASNs visible in the Routing Table:           386
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            407
Number of addresses announced to Internet:                   2832026276
    Equivalent to 168 /8s, 205 /16s and 74 /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:      205446

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

Prefixes being announced by APNIC Region ASes:                   157521
    Total APNIC prefixes after maximum aggregation:               42753
    APNIC Deaggregation factor:                                    3.68
Prefixes being announced from the APNIC address blocks:          171530
    Unique aggregates announced from the APNIC address blocks:    70096
APNIC Region origin ASes present in the Internet Routing Table:    5184
    APNIC Prefixes per ASN:                                       33.09
APNIC Region origin ASes announcing only one prefix:               1152
APNIC Region transit ASes present in the Internet Routing Table:    942
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         34
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2490
Number of APNIC addresses announced to Internet:              759721284
    Equivalent to 45 /8s, 72 /16s and 109 /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:                    187964
    Total ARIN prefixes after maximum aggregation:                89402
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           194317
    Unique aggregates announced from the ARIN address blocks:     89233
ARIN Region origin ASes present in the Internet Routing Table:    16138
    ARIN Prefixes per ASN:                                        12.04
ARIN Region origin ASes announcing only one prefix:                5654
ARIN Region transit ASes present in the Internet Routing Table:    1711
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:    1591
Number of ARIN addresses announced to Internet:              1105690016
    Equivalent to 65 /8s, 231 /16s and 125 /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:                    149759
    Total RIPE prefixes after maximum aggregation:                72610
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           160650
    Unique aggregates announced from the RIPE address blocks:     98008
RIPE Region origin ASes present in the Internet Routing Table:    18155
    RIPE Prefixes per ASN:                                         8.85
RIPE Region origin ASes announcing only one prefix:                7793
RIPE Region transit ASes present in the Internet Routing Table:    3037
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5091
Number of RIPE addresses announced to Internet:               709323136
    Equivalent to 42 /8s, 71 /16s and 105 /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:                   62852
    Total LACNIC prefixes after maximum aggregation:              12642
    LACNIC Deaggregation factor:                                   4.97
Prefixes being announced from the LACNIC address blocks:          79140
    Unique aggregates announced from the LACNIC address blocks:   37727
LACNIC Region origin ASes present in the Internet Routing Table:   2477
    LACNIC Prefixes per ASN:                                      31.95
LACNIC Region origin ASes announcing only one prefix:               552
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:  2935
Number of LACNIC addresses announced to Internet:             170952512
    Equivalent to 10 /8s, 48 /16s and 135 /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:                  15199
    Total AfriNIC prefixes after maximum aggregation:              3364
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:         17443
    Unique aggregates announced from the AfriNIC address blocks:   6616
AfriNIC Region origin ASes present in the Internet Routing Table:   741
    AfriNIC Prefixes per ASN:                                     23.54
AfriNIC Region origin ASes announcing only one prefix:              173
AfriNIC Region transit ASes present in the Internet Routing Table:  180
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  278
Number of AfriNIC addresses announced to Internet:             85867520
    Equivalent to 5 /8s, 30 /16s and 60 /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     5548       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3611        390         250   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2964        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2713       1500         539   BSNL-NIB National Internet Backbone, IN
 4766     2699      11132         739   KIXS-AS-KR Korea Telecom, KR
 9808     2220       8698          33   CMNET-GD Guangdong Mobile Communication
 4755     2044        428         216   TATACOMM-AS TATA Communications formerl
 4808     1746       2278         510   CHINA169-BJ China Unicom Beijing Provin
45899     1703       1248          93   VNPT-AS-VN VNPT Corp, VN
24560     1565        542         229   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     3564       2967         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3156       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     1948       2003         406   CHARTER-NET-HKY-NC - Charter Communicat
30036     1769        334         364   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1742       5069         657   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1677        848         227   ITCDELTA - Earthlink, Inc., US
  701     1600      10634         657   UUNET - MCI Communications Services, In
 7018     1480      20476        1047   ATT-INTERNET4 - AT&T Services, Inc., US

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

RIPE Region per AS prefix count summary
---------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
39891     3330        170          16   ALJAWWALSTC-AS , SA
20940     2937       1113        2082   AKAMAI-ASN1 , US
34984     1990        327         364   TELLCOM-AS , TR
 9121     1719       1691          18   TTNET , TR
13188     1607         99          58   TRIOLAN , UA
12479     1375       1033          54   UNI2-AS , ES
 8551     1202        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1142        355          21   UKRTELNET , UA
 8402     1139        544          15   CORBINA-AS OJSC "Vimpelcom", RU
 9198     1057        352          25   KAZTELECOM-AS , KZ

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     3536        546         142   Telmex Colombia S.A., CO
 8151     2287       3371         551   Uninet S.A. de C.V., MX
 7303     1528        964         248   Telecom Argentina S.A., AR
 6503     1486        437          54   Axtel, S.A.B. de C.V., MX
11830     1354        369          57   Instituto Costarricense de Electricidad
 6147     1289        377          27   Telefonica del Peru S.A.A., PE
 7738     1024       1882          41   Telemar Norte Leste S.A., BR
28573     1009       2260         177   CLARO S.A., BR
 3816      987        474         192   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      909        126          79   Alestra, S. de R.L. de C.V., MX

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

AfriNIC Region per AS prefix count summary
------------------------------------------

  ASN   No of nets  /20 equiv  MaxAgg  Description
24863     1192        402          50   LINKdotNET-AS, EG
36903      686        345         123   MT-MPLS, MA
37611      680         67           6   Afrihost, ZA
36992      575       1373          25   ETISALAT-MISR, EG
 8452      481       1472          15   TE-AS TE-AS, EG
37492      396        288          72   ORANGE-TN, TN
24835      379        594          16   RAYA-AS, EG
29571      364         37          11   CITelecom-AS, CI
15399      309         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     5548       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3611        390         250   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3564       2967         152   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3536        546         142   Telmex Colombia S.A., CO
39891     3330        170          16   ALJAWWALSTC-AS , SA
 6327     3156       1333          82   SHAW - Shaw Communications Inc., CA
17974     2964        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2937       1113        2082   AKAMAI-ASN1 , US
 9829     2713       1500         539   BSNL-NIB National Internet Backbone, IN
 4766     2699      11132         739   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      3564        3412      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3536        3394      Telmex Colombia S.A., CO
 7545      3611        3361      TPG-INTERNET-AP TPG Telecom Limited, AU
39891      3330        3314      ALJAWWALSTC-AS , SA
 6327      3156        3074      SHAW - Shaw Communications Inc., CA
17974      2964        2893      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2220        2187      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     
/13:522     /14:1049    /15:1785    /16:13149   /17:7845    /18:13078   
/19:25562   /20:38332   /21:40986   /22:72413   /23:60828   /24:346224  
/25:459     /26:365     /27:305     /28:61      /29:38      /30:12      
/31:1       /32:32      

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

  ASN   No of nets  Total ann.   Description
 6327     2953          3156      SHAW - Shaw Communications Inc., CA
39891     2896          3330      ALJAWWALSTC-AS , SA
22773     2774          3564      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2089          2196      MEGAPATH5-US - MegaPath Corporation, US
30036     1586          1769      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1443          3536      Telmex Colombia S.A., CO
 6389     1393          2095      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1351          1607      TRIOLAN , UA
 6983     1323          1677      ITCDELTA - Earthlink, Inc., US
34984     1274          1990      TELLCOM-AS , TR

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

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

   1:1561      2:814       4:23        5:2338      6:32        8:1006   
  12:1805     13:53       14:1756     15:24       16:2        17:104    
  18:126      20:48       23:1916     24:1820     27:2377     31:1812   
  32:82       33:4        35:3        36:351      37:2423     38:1315   
  39:39       40:100      41:2936     42:455      43:1894     44:49     
  45:2250     46:2551     47:106      49:1182     50:936      51:16     
  52:575      53:2        54:352      55:7        56:4        57:40     
  58:1592     59:1006     60:378      61:1839     62:1476     63:1913   
  64:4584     65:2174     66:4353     67:2246     68:1141     69:3285   
  70:1294     71:560      72:2071     74:2595     75:404      76:414    
  77:1435     78:1536     79:923      80:1343     81:1401     82:994    
  83:714      84:868      85:1676     86:476      87:1122     88:697    
  89:2038     90:198      91:6142     92:958      93:2370     94:2416   
  95:2715     96:561      97:347      98:943      99:92      100:147    
 101:1179    103:12752   104:2583    105:145     106:465     107:1451   
 108:788     109:2487    110:1282    111:1645    112:1139    113:1154   
 114:1094    115:1692    116:1684    117:1559    118:2125    119:1568   
 120:968     121:1091    122:2287    123:2044    124:1599    125:1840   
 128:681     129:473     130:420     131:1383    132:617     133:175    
 134:521     135:205     136:404     137:391     138:1785    139:432    
 140:620     141:471     142:694     143:894     144:720     145:170    
 146:952     147:671     148:1386    149:551     150:669     151:971    
 152:693     153:309     154:692     155:950     156:537     157:564    
 158:437     159:1317    160:563     161:717     162:2434    163:545    
 164:778     165:1130    166:352     167:1214    168:2359    169:679    
 170:2321    171:258     172:819     173:1822    174:765     175:715    
 176:1743    177:4074    178:2376    179:1133    180:2150    181:1904   
 182:2117    183:1013    184:838     185:8043    186:3166    187:2136   
 188:2262    189:1768    190:7884    191:1307    192:9138    193:5752   
 194:4534    195:3864    196:1856    197:1257    198:5605    199:5830   
 200:7140    201:3730    202:10118   203:9800    204:4489    205:2764   
 206:3016    207:3129    208:4035    209:3886    210:3893    211:2050   
 212:2761    213:2437    214:863     215:67      216:5745    217:1989   
 218:812     219:598     220:1650    221:874     222:711     223:1344   


End of report


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