[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jan 6 18:01:52 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,
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 07 Jan, 2017

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

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

BGP routing table entries examined:                              626575
    Prefixes after maximum aggregation (per Origin AS):          221563
    Deaggregation factor:                                          2.83
    Unique aggregates announced (without unneeded subnets):      304704
Total ASes present in the Internet Routing Table:                 55519
    Prefixes per ASN:                                             11.29
Origin-only ASes present in the Internet Routing Table:           36265
Origin ASes announcing only one prefix:                           15204
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:       4.4
    Max AS path length visible:                                      55
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                48
    Unregistered ASNs in the Routing Table:                          16
Number of 32-bit ASNs allocated by the RIRs:                      16772
Number of 32-bit ASNs visible in the Routing Table:               12724
Prefixes from 32-bit ASNs in the Routing Table:                   52257
Number of bogon 32-bit ASNs visible in the Routing Table:           704
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            386
Number of addresses announced to Internet:                   2834813668
    Equivalent to 168 /8s, 247 /16s and 210 /24s
    Percentage of available address space announced:               76.6
    Percentage of allocated address space announced:               76.6
    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:      207505

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

Prefixes being announced by APNIC Region ASes:                   156622
    Total APNIC prefixes after maximum aggregation:               43098
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          171162
    Unique aggregates announced from the APNIC address blocks:    70912
APNIC Region origin ASes present in the Internet Routing Table:    5189
    APNIC Prefixes per ASN:                                       32.99
APNIC Region origin ASes announcing only one prefix:               1132
APNIC Region transit ASes present in the Internet Routing Table:    936
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         55
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2587
Number of APNIC addresses announced to Internet:              761626756
    Equivalent to 45 /8s, 101 /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:                    188103
    Total ARIN prefixes after maximum aggregation:                89331
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           195094
    Unique aggregates announced from the ARIN address blocks:     89572
ARIN Region origin ASes present in the Internet Routing Table:    16073
    ARIN Prefixes per ASN:                                        12.14
ARIN Region origin ASes announcing only one prefix:                5600
ARIN Region transit ASes present in the Internet Routing Table:    1706
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:    1688
Number of ARIN addresses announced to Internet:              1106782624
    Equivalent to 65 /8s, 248 /16s and 41 /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:                    150470
    Total RIPE prefixes after maximum aggregation:                73223
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           161913
    Unique aggregates announced from the RIPE address blocks:     99119
RIPE Region origin ASes present in the Internet Routing Table:    18144
    RIPE Prefixes per ASN:                                         8.92
RIPE Region origin ASes announcing only one prefix:                7747
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:    5101
Number of RIPE addresses announced to Internet:               709454464
    Equivalent to 42 /8s, 73 /16s and 106 /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:                   63697
    Total LACNIC prefixes after maximum aggregation:              12613
    LACNIC Deaggregation factor:                                   5.05
Prefixes being announced from the LACNIC address blocks:          80284
    Unique aggregates announced from the LACNIC address blocks:   38029
LACNIC Region origin ASes present in the Internet Routing Table:   2480
    LACNIC Prefixes per ASN:                                      32.37
LACNIC Region origin ASes announcing only one prefix:               551
LACNIC Region transit ASes present in the Internet Routing Table:   595
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:  3065
Number of LACNIC addresses announced to Internet:             170930496
    Equivalent to 10 /8s, 48 /16s and 49 /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:                  15377
    Total AfriNIC prefixes after maximum aggregation:              3291
    AfriNIC Deaggregation factor:                                  4.67
Prefixes being announced from the AfriNIC address blocks:         17736
    Unique aggregates announced from the AfriNIC address blocks:   6718
AfriNIC Region origin ASes present in the Internet Routing Table:   736
    AfriNIC Prefixes per ASN:                                     24.10
AfriNIC Region origin ASes announcing only one prefix:              174
AfriNIC Region transit ASes present in the Internet Routing Table:  181
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:  283
Number of AfriNIC addresses announced to Internet:             85555712
    Equivalent to 5 /8s, 25 /16s and 122 /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     5545       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3717        390         252   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2989        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 4766     2720      11133         741   KIXS-AS-KR Korea Telecom, KR
 9829     2678       1497         543   BSNL-NIB National Internet Backbone, IN
 9808     2281       8698          33   CMNET-GD Guangdong Mobile Communication
 4755     2047        428         217   TATACOMM-AS TATA Communications formerl
45899     1751       1265         100   VNPT-AS-VN VNPT Corp, VN
 4808     1628       1792         459   CHINA169-BJ China Unicom Beijing Provin
24560     1559        562         243   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     3611       2968         151   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     3239       1333          82   SHAW - Shaw Communications Inc., CA
18566     2195        405         109   MEGAPATH5-US - MegaPath Corporation, US
 6389     2095       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1957       2021         402   CHARTER-NET-HKY-NC - Charter Communicat
30036     1745        328         405   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1730       5066         642   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1678        848         227   ITCDELTA - Earthlink, Inc., US
  701     1599      10629         661   UUNET - MCI Communications Services, In
16509     1526       3029         522   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     2969       1115        2113   AKAMAI-ASN1 , US
 9121     2243       1706          92   TTNET , TR
34984     1990        327         375   TELLCOM-AS , TR
13188     1603         99          61   TRIOLAN , UA
12479     1422       1033          51   UNI2-AS , ES
 6849     1312        355          22   UKRTELNET , UA
 8551     1206        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 8402     1112        544          15   CORBINA-AS OJSC "Vimpelcom", RU
12389      996       1156         445   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     3531        544         178   Telmex Colombia S.A., CO
 8151     2476       3370         552   Uninet S.A. de C.V., MX
11830     1799        368          66   Instituto Costarricense de Electricidad
 6503     1544        437          54   Axtel, S.A.B. de C.V., MX
 7303     1523        974         252   Telecom Argentina S.A., AR
 6147     1355        377          27   Telefonica del Peru S.A.A., PE
28573     1056       2271         177   CLARO S.A., BR
 3816     1009        479         181   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      914        126          78   Alestra, S. de R.L. de C.V., MX
18881      879       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     1284        398          42   LINKdotNET-AS, EG
36903      687        345         122   MT-MPLS, MA
37611      676         67           6   Afrihost, ZA
36992      579       1373          25   ETISALAT-MISR, EG
24835      492        658          16   RAYA-AS, EG
 8452      488       1474          16   TE-AS TE-AS, EG
37492      400        290          74   ORANGE-TN, TN
29571      368         36          10   CITelecom-AS, CI
15399      314         35           6   WANANCHI-KE, KE
 2018      285        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     5545       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3717        390         252   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3611       2968         151   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3531        544         178   Telmex Colombia S.A., CO
 6327     3239       1333          82   SHAW - Shaw Communications Inc., CA
39891     3141        163          17   ALJAWWALSTC-AS , SA
17974     2989        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2969       1115        2113   AKAMAI-ASN1 , US
 4766     2720      11133         741   KIXS-AS-KR Korea Telecom, KR
 9829     2678       1497         543   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
 7545      3717        3465      TPG-INTERNET-AP TPG Telecom Limited, AU
22773      3611        3460      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3531        3353      Telmex Colombia S.A., CO
 6327      3239        3157      SHAW - Shaw Communications Inc., CA
39891      3141        3124      ALJAWWALSTC-AS , SA
17974      2989        2918      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2281        2248      CMNET-GD Guangdong Mobile Communication
 9121      2243        2151      TTNET , TR
 9829      2678        2135      BSNL-NIB National Internet Backbone, IN
18566      2195        2086      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
65001   PRIVATE      46.237.32.0/20       13118       ASN-YARTELECOM PJSC Rostelecom
65001   PRIVATE      94.242.128.0/20      15468       KLGELECS-AS 38, Teatralnaya st

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     
/13:530     /14:1047    /15:1802    /16:13173   /17:7798    /18:13014   
/19:25218   /20:38072   /21:40573   /22:73058   /23:61388   /24:349130  
/25:543     /26:403     /27:287     /28:33      /29:18      /30:17      
/31:0       /32:27      

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

  ASN   No of nets  Total ann.   Description
 6327     3035          3239      SHAW - Shaw Communications Inc., CA
39891     2896          3141      ALJAWWALSTC-AS , SA
22773     2812          3611      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2088          2195      MEGAPATH5-US - MegaPath Corporation, US
 9121     1571          2243      TTNET , TR
30036     1555          1745      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1448          3531      Telmex Colombia S.A., CO
 6389     1393          2095      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1348          1603      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)
----------------------------------------------

   1:1588      2:813       4:23        5:2440      6:32        8:1023   
  12:1809     13:67       14:1784     15:25       16:2        17:106    
  18:128      19:1        20:51       23:2017     24:1802     27:2389   
  31:1841     32:83       33:11       34:1        35:3        36:378    
  37:2480     38:1295     39:44       40:99       41:2937     42:451    
  43:1911     44:53       45:2299     46:2550     47:120      49:1201   
  50:952      51:16       52:617      54:355      55:7        56:4      
  57:40       58:1600     59:975      60:388      61:1863     62:1503   
  63:1922     64:4539     65:2190     66:4398     67:2211     68:1161   
  69:3296     70:1302     71:560      72:2061     74:2593     75:403    
  76:417      77:1419     78:1558     79:921      80:1361     81:1420   
  82:961      83:720      84:861      85:1688     86:485      87:1129   
  88:773      89:2041     90:196      91:6094     92:947      93:2368   
  94:2348     95:2736     96:566      97:359      98:939      99:94     
 100:148     101:1205    103:13161   104:2629    105:146     106:471    
 107:1504    108:766     109:2543    110:1278    111:1660    112:1139   
 113:1181    114:1004    115:1640    116:1685    117:1592    118:2124   
 119:1585    120:943     121:1074    122:2263    123:1993    124:1586   
 125:1843    128:719     129:501     130:422     131:1384    132:584    
 133:187     134:515     135:210     136:382     137:395     138:1812   
 139:483     140:616     141:475     142:724     143:907     144:758    
 145:168     146:966     147:644     148:1402    149:560     150:688    
 151:797     152:704     153:312     154:725     155:955     156:545    
 157:558     158:427     159:1346    160:565     161:735     162:2454   
 163:534     164:776     165:1139    166:362     167:1235    168:2451   
 169:721     170:2502    171:261     172:887     173:1826    174:783    
 175:714     176:1753    177:4120    178:2422    179:1110    180:2075   
 181:1962    182:2173    183:1015    184:834     185:8397    186:3201   
 187:2257    188:2334    189:1767    190:7970    191:1296    192:9294   
 193:5764    194:4559    195:3859    196:1865    197:1245    198:5598   
 199:5794    200:7228    201:4123    202:10153   203:9814    204:4461   
 205:2767    206:2957    207:3151    208:3994    209:3910    210:3902   
 211:2083    212:2783    213:2450    214:854     215:65      216:5778   
 217:1973    218:824     219:602     220:1669    221:893     222:723    
 223:1116   

End of report


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