Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Oct 21 18:01:34 UTC 2016


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG,
SAFNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 22 Oct, 2016

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

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

BGP routing table entries examined:                              615166
    Prefixes after maximum aggregation (per Origin AS):          220426
    Deaggregation factor:                                          2.79
    Unique aggregates announced (without unneeded subnets):      299813
Total ASes present in the Internet Routing Table:                 55044
    Prefixes per ASN:                                             11.18
Origin-only ASes present in the Internet Routing Table:           36336
Origin ASes announcing only one prefix:                           15328
Transit ASes present in the Internet Routing Table:                6525
Transit-only ASes present in the Internet Routing Table:            166
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      39
    Max AS path prepend of ASN ( 55644)                              31
Prefixes from unregistered ASNs in the Routing Table:                56
    Unregistered ASNs in the Routing Table:                          15
Number of 32-bit ASNs allocated by the RIRs:                      15849
Number of 32-bit ASNs visible in the Routing Table:               12183
Prefixes from 32-bit ASNs in the Routing Table:                   49137
Number of bogon 32-bit ASNs visible in the Routing Table:           247
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            353
Number of addresses announced to Internet:                   2829985572
    Equivalent to 168 /8s, 174 /16s and 39 /24s
    Percentage of available address space announced:               76.4
    Percentage of allocated address space announced:               76.4
    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:      200615

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

Prefixes being announced by APNIC Region ASes:                   156347
    Total APNIC prefixes after maximum aggregation:               42794
    APNIC Deaggregation factor:                                    3.65
Prefixes being announced from the APNIC address blocks:          170253
    Unique aggregates announced from the APNIC address blocks:    69829
APNIC Region origin ASes present in the Internet Routing Table:    5173
    APNIC Prefixes per ASN:                                       32.91
APNIC Region origin ASes announcing only one prefix:               1143
APNIC Region transit ASes present in the Internet Routing Table:    946
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         37
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2439
Number of APNIC addresses announced to Internet:              759730500
    Equivalent to 45 /8s, 72 /16s and 145 /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:                    185253
    Total ARIN prefixes after maximum aggregation:                89516
    ARIN Deaggregation factor:                                     2.07
Prefixes being announced from the ARIN address blocks:           191091
    Unique aggregates announced from the ARIN address blocks:     88732
ARIN Region origin ASes present in the Internet Routing Table:    16165
    ARIN Prefixes per ASN:                                        11.82
ARIN Region origin ASes announcing only one prefix:                5671
ARIN Region transit ASes present in the Internet Routing Table:    1719
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:    1527
Number of ARIN addresses announced to Internet:              1105174176
    Equivalent to 65 /8s, 223 /16s and 158 /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:                    146917
    Total RIPE prefixes after maximum aggregation:                72154
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           157661
    Unique aggregates announced from the RIPE address blocks:     97134
RIPE Region origin ASes present in the Internet Routing Table:    18137
    RIPE Prefixes per ASN:                                         8.69
RIPE Region origin ASes announcing only one prefix:                7798
RIPE Region transit ASes present in the Internet Routing Table:    3032
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5079
Number of RIPE addresses announced to Internet:               708755712
    Equivalent to 42 /8s, 62 /16s and 193 /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:                   62556
    Total LACNIC prefixes after maximum aggregation:              12624
    LACNIC Deaggregation factor:                                   4.96
Prefixes being announced from the LACNIC address blocks:          78731
    Unique aggregates announced from the LACNIC address blocks:   37419
LACNIC Region origin ASes present in the Internet Routing Table:   2480
    LACNIC Prefixes per ASN:                                      31.75
LACNIC Region origin ASes announcing only one prefix:               547
LACNIC Region transit ASes present in the Internet Routing Table:   583
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2870
Number of LACNIC addresses announced to Internet:             170666048
    Equivalent to 10 /8s, 44 /16s and 40 /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:                  14899
    Total AfriNIC prefixes after maximum aggregation:              3330
    AfriNIC Deaggregation factor:                                  4.47
Prefixes being announced from the AfriNIC address blocks:         17077
    Unique aggregates announced from the AfriNIC address blocks:   6379
AfriNIC Region origin ASes present in the Internet Routing Table:   734
    AfriNIC Prefixes per ASN:                                     23.27
AfriNIC Region origin ASes announcing only one prefix:              169
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:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  268
Number of AfriNIC addresses announced to Internet:             85176832
    Equivalent to 5 /8s, 19 /16s and 178 /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     5528       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3587        382         248   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2954        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2697       1497         530   BSNL-NIB National Internet Backbone, IN
 4766     2658      11127         737   KIXS-AS-KR Korea Telecom, KR
 9808     2214       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2053        429         216   TATACOMM-AS TATA Communications formerl
 4808     1768       2290         519   CHINA169-BJ China Unicom Beijing Provin
45899     1584       1239          90   VNPT-AS-VN VNPT Corp, VN
24560     1552        517         222   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     3542       2965         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2196        405         110   MEGAPATH5-US - MegaPath Corporation, US
 6389     2095       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1943       1992         407   CHARTER-NET-HKY-NC - Charter Communicat
30036     1744        335         322   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1722       5067         656   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1678        848         227   ITCDELTA - Earthlink, Inc., US
  701     1610      10674         671   UUNET - MCI Communications Services, In
 7018     1485      20492        1048   ATT-INTERNET4 - AT&T Services, Inc., US
16509     1430       2778         479   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     3329        169          15   ALJAWWALSTC-AS , SA
20940     2817       1048        2011   AKAMAI-ASN1 , US
34984     1988        326         359   TELLCOM-AS , TR
13188     1571         99          58   TRIOLAN , UA
12479     1370       1018          46   UNI2-AS , ES
 8551     1203        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1142        355          21   UKRTELNET , UA
 8402     1109        544          15   CORBINA-AS Russia, RU
12389      949       1134         422   ROSTELECOM-AS , RU
 6830      863       2756         464   LGI-UPC formerly known as UPC Broadband

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     3511        542         161   Telmex Colombia S.A., CO
 8151     2285       3356         555   Uninet S.A. de C.V., MX
 7303     1542        963         248   Telecom Argentina S.A., AR
 6503     1420        437          54   Axtel, S.A.B. de C.V., MX
11830     1322        367          57   Instituto Costarricense de Electricidad
 6147     1207        377          28   Telefonica del Peru S.A.A., PE
28573     1008       2263         166   CLARO S.A., BR
 7738      994       1882          40   Telemar Norte Leste S.A., BR
 3816      976        472         200   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      905        125          75   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     1184        402          50   LINKdotNET-AS, EG
36903      680        342         128   MT-MPLS, MA
37611      664         67           6   Afrihost, ZA
36992      566       1373          25   ETISALAT-MISR, EG
 8452      514       1471          15   TE-AS TE-AS, EG
37492      386        250          69   ORANGE-TN, TN
24835      365        614          17   RAYA-AS, EG
29571      335         37          12   CITelecom-AS, CI
15399      307         35           6   WANANCHI-KE, KE
 2018      269        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     5528       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3587        382         248   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3542       2965         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3511        542         161   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
17974     2954        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2817       1048        2011   AKAMAI-ASN1 , US
 9829     2697       1497         530   BSNL-NIB National Internet Backbone, IN
 4766     2658      11127         737   KIXS-AS-KR Korea Telecom, KR
 8151     2285       3356         555   Uninet S.A. de C.V., MX

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

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
22773      3542        3396      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3511        3350      Telmex Colombia S.A., CO
 7545      3587        3339      TPG-INTERNET-AP TPG Telecom Limited, AU
39891      3329        3314      ALJAWWALSTC-AS , SA
17974      2954        2883      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2214        2172      CMNET-GD Guangdong Mobile Communication
 9829      2697        2167      BSNL-NIB National Internet Backbone, IN
18566      2196        2086      MEGAPATH5-US - MegaPath Corporation, US
 6389      2095        2056      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 4766      2658        1921      KIXS-AS-KR Korea Telecom, KR

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS  Designation  Network              Transit AS  Description
65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.192.0/20      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.192.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.200.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.208.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65001   PRIVATE      31.172.216.0/21      15468       KLGELECS-AS 38, Teatralnaya st
65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub
65512   PRIVATE      45.252.244.0/24      45899       VNPT-AS-VN VNPT Corp, VN
65512   PRIVATE      45.252.245.0/24      45899       VNPT-AS-VN VNPT Corp, VN

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

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

Network            Origin AS  Description
27.100.7.0/24        56096     UNKNOWN
41.73.1.0/24         37004     -Reserved AS-, ZZ
41.73.2.0/24         37004     -Reserved AS-, ZZ
41.73.3.0/24         37004     -Reserved AS-, ZZ
41.73.4.0/24         37004     -Reserved AS-, ZZ
41.73.5.0/24         37004     -Reserved AS-, ZZ
41.73.6.0/24         37004     -Reserved AS-, ZZ
41.73.7.0/24         37004     -Reserved AS-, ZZ
41.73.8.0/24         37004     -Reserved AS-, ZZ
41.73.9.0/24         37004     -Reserved AS-, ZZ

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:13      /10:36      /11:102     /12:274     
/13:521     /14:1049    /15:1775    /16:13148   /17:7836    /18:13041   
/19:25443   /20:38819   /21:40354   /22:69194   /23:59899   /24:342445  
/25:447     /26:343     /27:275     /28:57      /29:33      /30:13      
/31:1       /32:32      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
22773     2764          3542      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2088          2196      MEGAPATH5-US - MegaPath Corporation, US
30036     1558          1744      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1430          3511      Telmex Colombia S.A., CO
 6389     1393          2095      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 6983     1326          1678      ITCDELTA - Earthlink, Inc., US
13188     1300          1571      TRIOLAN , UA
34984     1272          1988      TELLCOM-AS , TR
11492     1232          1326      CABLEONE - CABLE ONE, INC., US

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

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

   1:1539      2:808       4:23        5:2172      6:32        8:993    
  12:1804     13:49       14:1739     15:46       16:2        17:100    
  18:126      20:48       23:1872     24:1811     27:2358     31:1802   
  32:83       33:4        35:3        36:336      37:2363     38:1279   
  39:33       40:100      41:2952     42:463      43:1874     44:47     
  45:2135     46:2581     47:101      49:1213     50:904      51:13     
  52:560      53:2        54:351      55:6        56:4        57:40     
  58:1572     59:993      60:378      61:1838     62:1531     63:1934   
  64:4571     65:2171     66:4298     67:2253     68:1138     69:3297   
  70:1290     71:562      72:2077     74:2580     75:403      76:416    
  77:1432     78:1236     79:918      80:1304     81:1402     82:986    
  83:705      84:887      85:1589     86:478      87:1133     88:555    
  89:2045     90:222      91:6114     92:930      93:2357     94:2415   
  95:2483     96:549      97:345      98:945      99:90      100:147    
 101:1167    103:12636   104:2523    105:125     106:440     107:1434   
 108:780     109:2436    110:1278    111:1638    112:1085    113:1141   
 114:1095    115:1686    116:1672    117:1566    118:2070    119:1575   
 120:938     121:1074    122:2274    123:2000    124:1572    125:1819   
 128:689     129:449     130:419     131:1335    132:610     133:175    
 134:512     135:200     136:399     137:407     138:1779    139:432    
 140:602     141:452     142:672     143:918     144:733     145:165    
 146:956     147:658     148:1382    149:542     150:661     151:888    
 152:684     153:300     154:703     155:934     156:531     157:530    
 158:410     159:1261    160:526     161:732     162:2407    163:578    
 164:780     165:1109    166:345     167:1187    168:2297    169:666    
 170:2018    171:254     172:773     173:1772    174:764     175:675    
 176:1737    177:4117    178:2333    179:1187    180:2151    181:1916   
 182:2094    183:1010    184:828     185:7753    186:3223    187:2153   
 188:2220    189:1760    190:7800    191:1316    192:9058    193:5745   
 194:4479    195:3842    196:1793    197:1241    198:5598    199:5810   
 200:7145    201:3710    202:10141   203:9818    204:4511    205:2741   
 206:2994    207:3088    208:3980    209:3891    210:3871    211:2035   
 212:2742    213:2373    214:876     215:68      216:5726    217:1982   
 218:812     219:598     220:1641    221:878     222:696     223:1329   


End of report


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