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[apops] Weekly Routing Table Report



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, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

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

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

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

Routing Table Report   04:00 +10GMT Sat 17 Mar, 2018

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

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

BGP routing table entries examined:                              690673
    Prefixes after maximum aggregation (per Origin AS):          267882
    Deaggregation factor:                                          2.58
    Unique aggregates announced (without unneeded subnets):      332450
Total ASes present in the Internet Routing Table:                 60129
    Prefixes per ASN:                                             11.49
Origin-only ASes present in the Internet Routing Table:           51933
Origin ASes announcing only one prefix:                           22773
Transit ASes present in the Internet Routing Table:                8196
Transit-only ASes present in the Internet Routing Table:            255
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      31
    Max AS path prepend of ASN (262865)                              25
Prefixes from unregistered ASNs in the Routing Table:                63
    Number of instances of unregistered ASNs:                        63
Number of 32-bit ASNs allocated by the RIRs:                      21837
Number of 32-bit ASNs visible in the Routing Table:               17567
Prefixes from 32-bit ASNs in the Routing Table:                   73049
Number of bogon 32-bit ASNs visible in the Routing Table:            13
Special use prefixes present in the Routing Table:                    3
Prefixes being announced from unallocated address space:            338
Number of addresses announced to Internet:                   2855059586
    Equivalent to 170 /8s, 44 /16s and 192 /24s
    Percentage of available address space announced:               77.1
    Percentage of allocated address space announced:               77.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.8
Total number of prefixes smaller than registry allocations:      229892

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

Prefixes being announced by APNIC Region ASes:                   189758
    Total APNIC prefixes after maximum aggregation:               54251
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          188659
    Unique aggregates announced from the APNIC address blocks:    76998
APNIC Region origin ASes present in the Internet Routing Table:    8708
    APNIC Prefixes per ASN:                                       21.67
APNIC Region origin ASes announcing only one prefix:               2470
APNIC Region transit ASes present in the Internet Routing Table:   1294
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3623
Number of APNIC addresses announced to Internet:              767297698
    Equivalent to 45 /8s, 188 /16s and 8 /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:                    205948
    Total ARIN prefixes after maximum aggregation:                98707
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           206695
    Unique aggregates announced from the ARIN address blocks:     97753
ARIN Region origin ASes present in the Internet Routing Table:    18110
    ARIN Prefixes per ASN:                                        11.41
ARIN Region origin ASes announcing only one prefix:                6707
ARIN Region transit ASes present in the Internet Routing Table:    1800
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:    2323
Number of ARIN addresses announced to Internet:              1104486016
    Equivalent to 65 /8s, 213 /16s and 30 /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:                    187538
    Total RIPE prefixes after maximum aggregation:                91246
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           183828
    Unique aggregates announced from the RIPE address blocks:    109868
RIPE Region origin ASes present in the Internet Routing Table:    24989
    RIPE Prefixes per ASN:                                         7.36
RIPE Region origin ASes announcing only one prefix:               11341
RIPE Region transit ASes present in the Internet Routing Table:    3485
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6776
Number of RIPE addresses announced to Internet:               714742144
    Equivalent to 42 /8s, 154 /16s and 25 /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:                   88911
    Total LACNIC prefixes after maximum aggregation:              19649
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          90277
    Unique aggregates announced from the LACNIC address blocks:   40074
LACNIC Region origin ASes present in the Internet Routing Table:   6915
    LACNIC Prefixes per ASN:                                      13.06
LACNIC Region origin ASes announcing only one prefix:              1885
LACNIC Region transit ASes present in the Internet Routing Table:  1290
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4448
Number of LACNIC addresses announced to Internet:             172058848
    Equivalent to 10 /8s, 65 /16s and 104 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + 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:                  18453
    Total AfriNIC prefixes after maximum aggregation:              3980
    AfriNIC Deaggregation factor:                                  4.64
Prefixes being announced from the AfriNIC address blocks:         20876
    Unique aggregates announced from the AfriNIC address blocks:   7506
AfriNIC Region origin ASes present in the Internet Routing Table:  1124
    AfriNIC Prefixes per ASN:                                     18.57
AfriNIC Region origin ASes announcing only one prefix:              369
AfriNIC Region transit ASes present in the Internet Routing Table:  229
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:  397
Number of AfriNIC addresses announced to Internet:             96067584
    Equivalent to 5 /8s, 185 /16s and 224 /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         5421       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         3919        406     402  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2865      11132     778  KIXS-AS-KR Korea Telecom, KR
  9829         2803       1499     541  BSNL-NIB National Internet Backbone, IN
  7552         2698       1161      58  VIETEL-AS-AP Viettel Group, VN
  9394         2637       4923      29  CTTNET China TieTong Telecommunications
 45899         2580       1561     162  VNPT-AS-VN VNPT Corp, VN
 17974         2318        930      80  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2179       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2086        417     215  TATACOMM-AS TATA Communications formerl

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
  6327         3369       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3283       2988     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2167        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2096       2484     436  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2052       4374     611  AMAZON-02 - Amazon.com, Inc., US
 30036         1939        339     186  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1938       5071     622  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
  6389         1776       3671      36  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 11492         1760        228     558  CABLEONE - CABLE ONE, INC., US
  7018         1689      20188    1251  ATT-INTERNET4 - AT&T Services, Inc., US

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

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

   ASN   No of nets  /20 equiv  MaxAgg  Description
 12479         3696       1447     771  UNI2-AS, ES
 39891         3520        187      21  ALJAWWALSTC-AS, SA
 20940         2793        805    2043  AKAMAI-ASN1, US
  8551         2104        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2036       1864     704  ROSTELECOM-AS, RU
 34984         2026        334     478  TELLCOM-AS, TR
  9121         1930       1692      19  TTNET, TR
 13188         1606        100      46  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1223        544      14  CORBINA-AS OJSC "Vimpelcom", 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
  8151         4318       3384     583  Uninet S.A. de C.V., MX
 10620         3597        540     259  Telmex Colombia S.A., CO
 11830         2642        370      66  Instituto Costarricense de Electricidad
  6503         1631        437      53  Axtel, S.A.B. de C.V., MX
  7303         1507       1026     191  Telecom Argentina S.A., AR
 28573         1024       2247     195  CLARO S.A., BR
  6147         1016        377      27  Telefonica del Peru S.A.A., PE
  3816         1006        506     120  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          927        126      83  Alestra, S. de R.L. de C.V., MX
 18881          907       1072      29  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         1162        398      50  LINKdotNET-AS, EG
 37611          815         91       8  Afrihost, ZA
 36903          741        372     137  MT-MPLS, MA
 36992          678       1380      39  ETISALAT-MISR, EG
  8452          625       1730      18  TE-AS TE-AS, EG
 24835          602        850      15  RAYA-AS, EG
 29571          466         68      12  ORANGE-COTE-IVOIRE, CI
 37492          450        376      81  ORANGE-, TN
 15399          362         35       7  WANANCHI-, KE
 37342          361         32       1  MOVITEL, MZ

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         5421       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         4318       3384     583  Uninet S.A. de C.V., MX
  7545         3919        406     402  TPG-INTERNET-AP TPG Telecom Limited, AU
 12479         3696       1447     771  UNI2-AS, ES
 10620         3597        540     259  Telmex Colombia S.A., CO
 39891         3520        187      21  ALJAWWALSTC-AS, SA
  6327         3369       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3283       2988     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2865      11132     778  KIXS-AS-KR Korea Telecom, KR
  9829         2803       1499     541  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
  8151       4318         3735   Uninet S.A. de C.V., MX
  7545       3919         3517   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3520         3499   ALJAWWALSTC-AS, SA
 10620       3597         3338   Telmex Colombia S.A., CO
  6327       3369         3283   SHAW - Shaw Communications Inc., CA
 22773       3283         3134   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 12479       3696         2925   UNI2-AS, ES
  7552       2698         2640   VIETEL-AS-AP Viettel Group, VN
  9394       2637         2608   CTTNET China TieTong Telecommunications Corpora
 11830       2642         2576   Instituto Costarricense de Electricidad y Telec

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

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

Bad AS    Designation  Network              Transit AS  Description
  65456   PRIVATE      31.171.126.0/23     199311       AZRT-LX Local Internet Exchang
 267285   UNALLOCATED  45.232.244.0/22      53087       TELY Ltda., BR
 267285   UNALLOCATED  45.232.244.0/23      53087       TELY Ltda., BR
 267285   UNALLOCATED  45.232.246.0/23      53087       TELY Ltda., BR
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
  65537   DOCUMENT     62.162.120.0/24       6821       MT-AS-OWN bul. Orce Nikolov bb
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  65024   PRIVATE      87.103.234.0/24      39407       CHITATELECOM-AS, RU
  65000   PRIVATE      95.179.2.0/24        65001       -Private Use AS-, ZZ

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.66.224.0/19        209     CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati
100.127.16.0/23      28885     OMANTEL-NAP-AS OmanTel NAP, OM
100.127.18.0/23      28885     OMANTEL-NAP-AS OmanTel NAP, OM

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

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

Network            Origin AS  Description
27.100.7.0/24        56096    UNKNOWN
37.44.224.0/20       48666    AS-MAROSNET Moscow, Russia, RU
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.136.0/24       37500    -Reserved AS-, ZZ
41.76.138.0/24       37500    -Reserved AS-, ZZ
41.76.139.0/24       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/24       37500    -Reserved AS-, ZZ
41.76.141.0/24       37500    -Reserved AS-, ZZ
41.76.142.0/24       37500    -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        /8:14       /9:11      /10:37      /11:100     /12:289     
/13:563     /14:1094    /15:1899    /16:13328   /17:7842    /18:13622   
/19:25082   /20:39220   /21:45173   /22:85549   /23:69207   /24:385416  
/25:837     /26:601     /27:656     /28:35      /29:20      /30:17      
/31:4       /32:57      

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

   ASN   No of nets  Total ann.  Description
  6327     3160          3369    SHAW - Shaw Communications Inc., CA
 39891     2946          3520    ALJAWWALSTC-AS, SA
 22773     2538          3283    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 12479     2482          3696    UNI2-AS, ES
 18566     2061          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     1989          2642    Instituto Costarricense de Electricidad y Telec
 30036     1693          1939    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1601          3597    Telmex Colombia S.A., CO
  8551     1567          2104    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492     1538          1760    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)
----------------------------------------------

   1:1567      2:832       4:19        5:2806      6:59        7:1      
   8:1118      9:1        12:1880     13:207      14:1749     15:27     
  16:3        17:191      18:68       20:47       21:3        23:2559   
  24:2157     25:2        27:2285     31:1958     32:89       35:27     
  36:504      37:2736     38:1462     39:247      40:103      41:3028   
  42:592      43:1949     44:98       45:3919     46:3035     47:199    
  49:1353     50:1050     51:48       52:989      54:357      55:5      
  56:10       57:42       58:1563     59:1020     60:428      61:2144   
  62:1804     63:1802     64:4722     65:2223     66:4594     67:2366   
  68:1173     69:3206     70:1181     71:558      72:2105     74:2718   
  75:410      76:426      77:1553     78:1698     79:1868     80:1484   
  81:1444     82:1078     83:779      84:1022     85:2069     86:578    
  87:1283     88:928      89:2316     90:200      91:6301     92:1172   
  93:2362     94:2393     95:2727     96:658      97:356      98:928    
  99:128     100:79      101:1378    102:31      103:17312   104:3298   
 105:223     106:588     107:1791    108:709     109:2714    110:1571   
 111:1756    112:1325    113:1367    114:1117    115:1650    116:1639   
 117:1717    118:2170    119:1677    120:969     121:1060    122:2450   
 123:1823    124:1451    125:1885    128:983     129:624     130:444    
 131:1601    132:656     133:195     134:1002    135:226     136:451    
 137:495     138:1951    139:573     140:419     141:696     142:790    
 143:943     144:801     145:452     146:1153    147:742     148:1545   
 149:697     150:738     151:1046    152:759     153:308     154:1021   
 155:754     156:847     157:779     158:627     159:1643    160:922    
 161:718     162:2579    163:526     164:1024    165:1399    166:408    
 167:1394    168:3062    169:810     170:3665    171:422     172:1052   
 173:1951    174:879     175:750     176:1876    177:3916    178:2424   
 179:1194    180:2238    181:2179    182:2466    183:1132    184:915    
 185:12926   186:3559    187:2326    188:2738    189:1989    190:8120   
 191:1425    192:9776    193:5893    194:4794    195:3981    196:2435   
 197:1443    198:5532    199:5908    200:7396    201:4999    202:10390  
 203:10129   204:4545    205:2848    206:3085    207:3194    208:3994   
 209:3938    210:4033    211:2118    212:3016    213:2693    214:901    
 215:61      216:5825    217:2130    218:898     219:621     220:1722   
 221:996     222:1044    223:1234   

End of report