[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 26 18:01:43 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 27 Aug, 2016

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

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

BGP routing table entries examined:                              607095
    Prefixes after maximum aggregation (per Origin AS):          219681
    Deaggregation factor:                                          2.76
    Unique aggregates announced (without unneeded subnets):      297227
Total ASes present in the Internet Routing Table:                 54680
    Prefixes per ASN:                                             11.10
Origin-only ASes present in the Internet Routing Table:           36409
Origin ASes announcing only one prefix:                           15436
Transit ASes present in the Internet Routing Table:                6505
Transit-only ASes present in the Internet Routing Table:            175
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      54
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                60
    Unregistered ASNs in the Routing Table:                          15
Number of 32-bit ASNs allocated by the RIRs:                      15209
Number of 32-bit ASNs visible in the Routing Table:               11766
Prefixes from 32-bit ASNs in the Routing Table:                   46579
Number of bogon 32-bit ASNs visible in the Routing Table:            37
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            391
Number of addresses announced to Internet:                   2824316388
    Equivalent to 168 /8s, 87 /16s and 165 /24s
    Percentage of available address space announced:               76.3
    Percentage of allocated address space announced:               76.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.2
Total number of prefixes smaller than registry allocations:      197226

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

Prefixes being announced by APNIC Region ASes:                   155901
    Total APNIC prefixes after maximum aggregation:               42905
    APNIC Deaggregation factor:                                    3.63
Prefixes being announced from the APNIC address blocks:          169138
    Unique aggregates announced from the APNIC address blocks:    68513
APNIC Region origin ASes present in the Internet Routing Table:    5191
    APNIC Prefixes per ASN:                                       32.58
APNIC Region origin ASes announcing only one prefix:               1169
APNIC Region transit ASes present in the Internet Routing Table:    935
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         54
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2326
Number of APNIC addresses announced to Internet:              759521092
    Equivalent to 45 /8s, 69 /16s and 95 /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:                    183189
    Total ARIN prefixes after maximum aggregation:                89394
    ARIN Deaggregation factor:                                     2.05
Prefixes being announced from the ARIN address blocks:           188747
    Unique aggregates announced from the ARIN address blocks:     88085
ARIN Region origin ASes present in the Internet Routing Table:    16218
    ARIN Prefixes per ASN:                                        11.64
ARIN Region origin ASes announcing only one prefix:                5713
ARIN Region transit ASes present in the Internet Routing Table:    1717
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:    1423
Number of ARIN addresses announced to Internet:              1105550048
    Equivalent to 65 /8s, 229 /16s and 90 /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:                    145299
    Total RIPE prefixes after maximum aggregation:                71769
    RIPE Deaggregation factor:                                     2.02
Prefixes being announced from the RIPE address blocks:           155434
    Unique aggregates announced from the RIPE address blocks:     97057
RIPE Region origin ASes present in the Internet Routing Table:    18111
    RIPE Prefixes per ASN:                                         8.58
RIPE Region origin ASes announcing only one prefix:                7831
RIPE Region transit ASes present in the Internet Routing Table:    3027
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5023
Number of RIPE addresses announced to Internet:               707734656
    Equivalent to 42 /8s, 47 /16s and 44 /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:                   61490
    Total LACNIC prefixes after maximum aggregation:              12312
    LACNIC Deaggregation factor:                                   4.99
Prefixes being announced from the LACNIC address blocks:          76803
    Unique aggregates announced from the LACNIC address blocks:   37053
LACNIC Region origin ASes present in the Internet Routing Table:   2477
    LACNIC Prefixes per ASN:                                      31.01
LACNIC Region origin ASes announcing only one prefix:               554
LACNIC Region transit ASes present in the Internet Routing Table:   583
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2744
Number of LACNIC addresses announced to Internet:             169965888
    Equivalent to 10 /8s, 33 /16s and 121 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-265628 + 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:                  14576
    Total AfriNIC prefixes after maximum aggregation:              3291
    AfriNIC Deaggregation factor:                                  4.43
Prefixes being announced from the AfriNIC address blocks:         16582
    Unique aggregates announced from the AfriNIC address blocks:   6197
AfriNIC Region origin ASes present in the Internet Routing Table:   735
    AfriNIC Prefixes per ASN:                                     22.56
AfriNIC Region origin ASes announcing only one prefix:              169
AfriNIC Region transit ASes present in the Internet Routing Table:  179
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  250
Number of AfriNIC addresses announced to Internet:             81149952
    Equivalent to 4 /8s, 214 /16s and 64 /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     5542       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3524        382         252   TPG-INTERNET-AP TPG Telecom Limited, AU
 4766     3207      11146        1130   KIXS-AS-KR Korea Telecom, KR
17974     2943        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2680       1494         527   BSNL-NIB National Internet Backbone, IN
 9808     2147       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2054        429         226   TATACOMM-AS TATA Communications formerl
 4808     1765       2293         532   CHINA169-BJ China Unicom Beijing Provin
24560     1533        507         218   AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
38197     1520         94         288   SUNHK-DATA-AS-AP Sun Network (Hong Kong

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     3501       2964         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6389     2202       3671          41   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
18566     2194        405         110   MEGAPATH5-US - MegaPath Corporation, US
20115     1935       1965         403   CHARTER-NET-HKY-NC - Charter Communicat
30036     1758        342         237   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1704       5082         656   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1689        849         228   ITCDELTA - Earthlink, Inc., US
16509     1394       2532         452   AMAZON-02 - Amazon.com, Inc., US
 7018     1371      20093        1009   ATT-INTERNET4 - AT&T Services, Inc., US
  701     1283      10703         692   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     3329        169          15   ALJAWWALSTC-AS , SA
20940     2778       1064        1974   AKAMAI-ASN1 , US
34984     1975        327         356   TELLCOM-AS , TR
12479     1320       1018          46   UNI2-AS , ES
 8551     1212        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1148        355          21   UKRTELNET , UA
13188     1095         98          63   BANKINFORM-AS , UA
 8402     1019        544          15   CORBINA-AS Russia, RU
 9198      926        352          25   KAZTELECOM-AS , KZ
 6830      886       2752         465   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     3482        542         140   Telmex Colombia S.A., CO
 8151     2262       3367         538   Uninet S.A. de C.V., MX
 7303     1544        950         245   Telecom Argentina S.A., AR
 6503     1395        437          55   Axtel, S.A.B. de C.V., MX
11830     1342        368          66   Instituto Costarricense de Electricidad
 6147     1078        377          27   Telefonica del Peru S.A.A., PE
 7738      994       1882          40   Telemar Norte Leste S.A., BR
 3816      961        463         210   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      907        125          76   Alestra, S. de R.L. de C.V., MX
28573      898       2180         157   CLARO 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     1182        402          49   LINKdotNET-AS, EG
36903      682        343         120   MT-MPLS, MA
37611      652         48           2   Afrihost, ZA
36992      552       1373          25   ETISALAT-MISR, EG
 8452      523       1472          15   TE-AS TE-AS, EG
37492      382        250          69   ORANGE-TN, TN
24835      348        610          16   RAYA-AS, EG
29571      299         37          12   CITelecom-AS, CI
15399      293         35           6   WANANCHI-KE, KE
 2018      265        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     5542       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3524        382         252   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3501       2964         144   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3482        542         140   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
 4766     3207      11146        1130   KIXS-AS-KR Korea Telecom, KR
17974     2943        904          78   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2778       1064        1974   AKAMAI-ASN1 , US
 9829     2680       1494         527   BSNL-NIB National Internet Backbone, IN
 8151     2262       3367         538   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      3501        3357      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620      3482        3342      Telmex Colombia S.A., CO
39891      3329        3314      ALJAWWALSTC-AS , SA
 7545      3524        3272      TPG-INTERNET-AP TPG Telecom Limited, AU
17974      2943        2865      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 6389      2202        2161      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 9829      2680        2153      BSNL-NIB National Internet Backbone, IN
 9808      2147        2105      CMNET-GD Guangdong Mobile Communication
18566      2194        2084      MEGAPATH5-US - MegaPath Corporation, US
 4766      3207        2077      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
23.249.144.0/20      40430     COLO4JAX-AS - colo4jax, LLC, US
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

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      /11:101     /12:267     
/13:515     /14:1052    /15:1770    /16:13147   /17:7803    /18:13006   
/19:25321   /20:38521   /21:40083   /22:67395   /23:59236   /24:337145  
/25:569     /26:578     /27:387     /28:53      /29:32      /30:14      
/31:1       /32:34      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
22773     2729          3501      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2086          2194      MEGAPATH5-US - MegaPath Corporation, US
30036     1573          1758      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 6389     1425          2202      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
10620     1391          3482      Telmex Colombia S.A., CO
 6983     1340          1689      ITCDELTA - Earthlink, Inc., US
34984     1258          1975      TELLCOM-AS , TR
11492     1167          1264      CABLEONE - CABLE ONE, INC., US
 6849      968          1148      UKRTELNET , UA

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

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

   1:1614      2:766       4:21        5:2159      6:31        8:989    
  12:1787     13:42       14:1751     15:45       16:2        17:92     
  18:126      20:50       22:1        23:1654     24:1795     27:2325   
  31:1787     32:77       33:4        35:5        36:307      37:2304   
  38:1252     39:36       40:94       41:2885     42:448      43:1840   
  44:44       45:2136     46:2557     47:86       49:1200     50:900    
  51:13       52:538      54:347      55:7        56:7        57:42     
  58:1643     59:1005     60:381      61:1813     62:1509     63:1914   
  64:4545     65:2186     66:4240     67:2205     68:1124     69:3270   
  70:1258     71:499      72:2012     74:2556     75:349      76:406    
  77:1382     78:1254     79:871      80:1305     81:1401     82:982    
  83:715      84:860      85:1593     86:484      87:1107     88:550    
  89:2077     90:213      91:6075     92:951      93:2313     94:2455   
  95:2489     96:529      97:339      98:944      99:42      100:78     
 101:1091    103:12057   104:2485    105:124     106:435     107:1330   
 108:654     109:2221    110:1282    111:1662    112:1046    113:1137   
 114:1039    115:1674    116:1641    117:1562    118:2034    119:1580   
 120:928     121:1116    122:2259    123:2010    124:1569    125:1836   
 128:653     129:431     130:412     131:1354    132:596     133:176    
 134:477     135:145     136:382     137:402     138:1855    139:423    
 140:585     141:456     142:674     143:944     144:734     145:163    
 146:935     147:657     148:1387    149:529     150:658     151:875    
 152:649     153:296     154:664     155:942     156:523     157:502    
 158:382     159:1154    160:511     161:729     162:2395    163:558    
 164:915     165:1079    166:321     167:1171    168:2059    169:664    
 170:1883    171:251     172:672     173:1685    174:755     175:674    
 176:1732    177:4016    178:2211    179:1166    180:2152    181:1823   
 182:2030    183:978     184:828     185:7255    186:3141    187:2097   
 188:2151    189:1736    190:7685    191:1260    192:9014    193:5718   
 194:4445    195:3851    196:1731    197:1142    198:5561    199:5751   
 200:7080    201:3635    202:10095   203:9830    204:4502    205:2737   
 206:2950    207:3080    208:4033    209:3870    210:3873    211:2072   
 212:2727    213:2330    214:865     215:71      216:5823    217:1993   
 218:799     219:610     220:1642    221:884     222:690     223:1281   


End of report


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