[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jan 27 18:01:47 UTC 2017


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,
MENOG, 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 28 Jan, 2017

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

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

BGP routing table entries examined:                              630069
    Prefixes after maximum aggregation (per Origin AS):          222004
    Deaggregation factor:                                          2.84
    Unique aggregates announced (without unneeded subnets):      305485
Total ASes present in the Internet Routing Table:                 55692
    Prefixes per ASN:                                             11.31
Origin-only ASes present in the Internet Routing Table:           36239
Origin ASes announcing only one prefix:                           15215
Transit ASes present in the Internet Routing Table:                6561
Transit-only ASes present in the Internet Routing Table:            175
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      41
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                56
    Unregistered ASNs in the Routing Table:                          16
Number of 32-bit ASNs allocated by the RIRs:                      17080
Number of 32-bit ASNs visible in the Routing Table:               12892
Prefixes from 32-bit ASNs in the Routing Table:                   53317
Number of bogon 32-bit ASNs visible in the Routing Table:           862
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            381
Number of addresses announced to Internet:                   2831917284
    Equivalent to 168 /8s, 203 /16s and 160 /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:               98.4
Total number of prefixes smaller than registry allocations:      208709

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

Prefixes being announced by APNIC Region ASes:                   156846
    Total APNIC prefixes after maximum aggregation:               43166
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          171765
    Unique aggregates announced from the APNIC address blocks:    71082
APNIC Region origin ASes present in the Internet Routing Table:    5186
    APNIC Prefixes per ASN:                                       33.12
APNIC Region origin ASes announcing only one prefix:               1140
APNIC Region transit ASes present in the Internet Routing Table:    943
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         41
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2639
Number of APNIC addresses announced to Internet:              760184964
    Equivalent to 45 /8s, 79 /16s and 128 /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:                    188672
    Total ARIN prefixes after maximum aggregation:                89475
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           195695
    Unique aggregates announced from the ARIN address blocks:     89834
ARIN Region origin ASes present in the Internet Routing Table:    16064
    ARIN Prefixes per ASN:                                        12.18
ARIN Region origin ASes announcing only one prefix:                5595
ARIN Region transit ASes present in the Internet Routing Table:    1724
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:    1732
Number of ARIN addresses announced to Internet:              1104311968
    Equivalent to 65 /8s, 210 /16s and 118 /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:                    151900
    Total RIPE prefixes after maximum aggregation:                73441
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           163465
    Unique aggregates announced from the RIPE address blocks:     99378
RIPE Region origin ASes present in the Internet Routing Table:    18152
    RIPE Prefixes per ASN:                                         9.01
RIPE Region origin ASes announcing only one prefix:                7763
RIPE Region transit ASes present in the Internet Routing Table:    3048
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5111
Number of RIPE addresses announced to Internet:               709660288
    Equivalent to 42 /8s, 76 /16s and 142 /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:                   63915
    Total LACNIC prefixes after maximum aggregation:              12605
    LACNIC Deaggregation factor:                                   5.07
Prefixes being announced from the LACNIC address blocks:          80937
    Unique aggregates announced from the LACNIC address blocks:   38074
LACNIC Region origin ASes present in the Internet Routing Table:   2482
    LACNIC Prefixes per ASN:                                      32.61
LACNIC Region origin ASes announcing only one prefix:               546
LACNIC Region transit ASes present in the Internet Routing Table:   596
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3124
Number of LACNIC addresses announced to Internet:             171001408
    Equivalent to 10 /8s, 49 /16s and 70 /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:                  15362
    Total AfriNIC prefixes after maximum aggregation:              3310
    AfriNIC Deaggregation factor:                                  4.64
Prefixes being announced from the AfriNIC address blocks:         17826
    Unique aggregates announced from the AfriNIC address blocks:   6788
AfriNIC Region origin ASes present in the Internet Routing Table:   736
    AfriNIC Prefixes per ASN:                                     24.22
AfriNIC Region origin ASes announcing only one prefix:              171
AfriNIC Region transit ASes present in the Internet Routing Table:  183
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  286
Number of AfriNIC addresses announced to Internet:             86317568
    Equivalent to 5 /8s, 37 /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     5546       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3726        390         254   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2976        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2729      11133         744   KIXS-AS-KR Korea Telecom, KR
 9829     2708       1501         542   BSNL-NIB National Internet Backbone, IN
 9808     2282       8698          33   CMNET-GD Guangdong Mobile Communication
 4755     2054        429         217   TATACOMM-AS TATA Communications formerl
45899     1916       1284          99   VNPT-AS-VN VNPT Corp, VN
 4808     1641       1788         450   CHINA169-BJ China Unicom Beijing Provin
24560     1564        566         246   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     3628       2968         151   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3299       1333          83   SHAW - Shaw Communications Inc., CA
18566     2192        405         109   MEGAPATH5-US - MegaPath Corporation, US
 6389     2094       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1963       2031         403   CHARTER-NET-HKY-NC - Charter Communicat
  209     1713       5067         637   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
30036     1700        319         455   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6983     1680        848         227   ITCDELTA - Earthlink, Inc., US
16509     1630       3047         532   AMAZON-02 - Amazon.com, Inc., US
  701     1596      10613         658   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     3334        171          18   ALJAWWALSTC-AS , SA
20940     2989       1123        2130   AKAMAI-ASN1 , US
 9121     2202       1707          94   TTNET , TR
34984     1990        327         377   TELLCOM-AS , TR
13188     1598         99          62   TRIOLAN , UA
12479     1448       1033          51   UNI2-AS , ES
 8551     1438        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1313        355          22   UKRTELNET , UA
 8402     1100        544          15   CORBINA-AS OJSC "Vimpelcom", RU
 9198     1010        352          24   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     3534        545         171   Telmex Colombia S.A., CO
 8151     2486       3380         556   Uninet S.A. de C.V., MX
11830     1800        368          66   Instituto Costarricense de Electricidad
 6503     1547        437          54   Axtel, S.A.B. de C.V., MX
 7303     1526        974         254   Telecom Argentina S.A., AR
 6147     1296        377          27   Telefonica del Peru S.A.A., PE
28573     1063       2271         178   CLARO S.A., BR
 3816     1005        479         179   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664      992        279          32   Techtel LMDS Comunicaciones Interactiva
17072      970        127         357   TOTAL PLAY TELECOMUNICACIONES SA DE CV,

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     1294        398          42   LINKdotNET-AS, EG
36903      719        361         123   MT-MPLS, MA
37611      686         67           6   Afrihost, ZA
36992      587       1373          25   ETISALAT-MISR, EG
24835      491        658          16   RAYA-AS, EG
 8452      480       1474          16   TE-AS TE-AS, EG
37492      395        324          75   ORANGE-TN, TN
29571      367         36          10   CITelecom-AS, CI
15399      321         35           6   WANANCHI-KE, KE
 2018      288        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     5546       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3726        390         254   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3628       2968         151   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3534        545         171   Telmex Colombia S.A., CO
39891     3334        171          18   ALJAWWALSTC-AS , SA
 6327     3299       1333          83   SHAW - Shaw Communications Inc., CA
20940     2989       1123        2130   AKAMAI-ASN1 , US
17974     2976        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2729      11133         744   KIXS-AS-KR Korea Telecom, KR
 9829     2708       1501         542   BSNL-NIB National Internet Backbone, IN

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      3628        3477      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 7545      3726        3472      TPG-INTERNET-AP TPG Telecom Limited, AU
10620      3534        3363      Telmex Colombia S.A., CO
39891      3334        3316      ALJAWWALSTC-AS , SA
 6327      3299        3216      SHAW - Shaw Communications Inc., CA
17974      2976        2905      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2282        2249      CMNET-GD Guangdong Mobile Communication
 9829      2708        2166      BSNL-NIB National Internet Backbone, IN
 9121      2202        2108      TTNET , TR
18566      2192        2083      MEGAPATH5-US - MegaPath Corporation, US

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
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
41.73.16.0/24        37004     Suburban-Broadband-AS, NG
41.73.17.0/24        37004     Suburban-Broadband-AS, NG
41.73.18.0/24        37004     Suburban-Broadband-AS, NG
41.73.19.0/24        37004     Suburban-Broadband-AS, NG
41.73.20.0/24        37004     Suburban-Broadband-AS, NG

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      /11:103     /12:276     
/13:532     /14:1049    /15:1792    /16:13183   /17:7770    /18:12968   
/19:25169   /20:38034   /21:40726   /22:73669   /23:61693   /24:351696  
/25:548     /26:405     /27:288     /28:34      /29:22      /30:18      
/31:1       /32:28      

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

  ASN   No of nets  Total ann.   Description
 6327     3095          3299      SHAW - Shaw Communications Inc., CA
39891     2896          3334      ALJAWWALSTC-AS , SA
22773     2824          3628      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2085          2192      MEGAPATH5-US - MegaPath Corporation, US
 9121     1544          2202      TTNET , TR
30036     1512          1700      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1450          3534      Telmex Colombia S.A., CO
 6389     1392          2094      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1348          1598      TRIOLAN , UA
 6983     1323          1680      ITCDELTA - Earthlink, Inc., US

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

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

   1:1599      2:823       4:25        5:2423      6:32        8:1046   
  12:1810     13:70       14:1781     15:23       16:2        17:103    
  18:128      19:1        20:52       23:1976     24:1842     27:2380   
  31:1875     32:83       33:2        34:1        35:19       36:354    
  37:2512     38:1305     39:43       40:100      41:2904     42:450    
  43:1924     44:59       45:2342     46:2576     47:109      49:1211   
  50:943      51:18       52:701      54:356      55:3        56:4      
  57:40       58:1595     59:983      60:390      61:1878     62:1503   
  63:1931     64:4545     65:2207     66:4412     67:2209     68:1167   
  69:3310     70:1301     71:570      72:2048     74:2579     75:402    
  76:412      77:1431     78:1547     79:1122     80:1370     81:1415   
  82:962      83:723      84:868      85:1686     86:482      87:1128   
  88:780      89:2044     90:200      91:6112     92:971      93:2395   
  94:2344     95:2766     96:571      97:360      98:928      99:91     
 100:148     101:1242    103:13397   104:2670    105:160     106:477    
 107:1521    108:790     109:2535    110:1288    111:1670    112:1150   
 113:1293    114:1014    115:1625    116:1724    117:1641    118:2057   
 119:1566    120:944     121:1078    122:2273    123:1998    124:1546   
 125:1820    128:720     129:516     130:414     131:1407    132:550    
 133:189     134:521     135:213     136:385     137:417     138:1870   
 139:490     140:616     141:511     142:732     143:922     144:759    
 145:167     146:1060    147:658     148:1397    149:567     150:684    
 151:934     152:714     153:314     154:747     155:961     156:543    
 157:580     158:436     159:1364    160:565     161:734     162:2468   
 163:532     164:769     165:1147    166:360     167:1258    168:2455   
 169:721     170:2680    171:271     172:920     173:1829    174:796    
 175:709     176:1770    177:4120    178:2447    179:1138    180:2106   
 181:1934    182:2210    183:1020    184:835     185:8555    186:3222   
 187:2258    188:2354    189:1791    190:8108    191:1318    192:9315   
 193:5774    194:4591    195:3839    196:1924    197:1230    198:5582   
 199:5819    200:7338    201:4137    202:10062   203:9870    204:4458   
 205:2763    206:2972    207:3151    208:3982    209:3878    210:3922   
 211:2094    212:2781    213:2449    214:845     215:65      216:5808   
 217:1968    218:832     219:601     220:1688    221:901     222:728    
 223:1156   

End of report


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