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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 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 22 Dec, 2018

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

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

BGP routing table entries examined:                              731372
    Prefixes after maximum aggregation (per Origin AS):          281422
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      352021
Total ASes present in the Internet Routing Table:                 62796
    Prefixes per ASN:                                             11.65
Origin-only ASes present in the Internet Routing Table:           54191
Origin ASes announcing only one prefix:                           23540
Transit ASes present in the Internet Routing Table:                8605
Transit-only ASes present in the Internet Routing Table:            257
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 16327)                              25
Prefixes from unregistered ASNs in the Routing Table:                36
    Number of instances of unregistered ASNs:                        38
Number of 32-bit ASNs allocated by the RIRs:                      25275
Number of 32-bit ASNs visible in the Routing Table:               20537
Prefixes from 32-bit ASNs in the Routing Table:                   88449
Number of bogon 32-bit ASNs visible in the Routing Table:            17
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            268
Number of addresses announced to Internet:                   2838514337
    Equivalent to 169 /8s, 48 /16s and 74 /24s
    Percentage of available address space announced:               76.7
    Percentage of allocated address space announced:               76.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.1
Total number of prefixes smaller than registry allocations:      244208

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

Prefixes being announced by APNIC Region ASes:                   199658
    Total APNIC prefixes after maximum aggregation:               56861
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          196780
    Unique aggregates announced from the APNIC address blocks:    81025
APNIC Region origin ASes present in the Internet Routing Table:    9333
    APNIC Prefixes per ASN:                                       21.08
APNIC Region origin ASes announcing only one prefix:               2641
APNIC Region transit ASes present in the Internet Routing Table:   1395
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4329
Number of APNIC addresses announced to Internet:              768797056
    Equivalent to 45 /8s, 210 /16s and 233 /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, 131072-139577
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:                    216410
    Total ARIN prefixes after maximum aggregation:               102834
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           215624
    Unique aggregates announced from the ARIN address blocks:    103383
ARIN Region origin ASes present in the Internet Routing Table:    18304
    ARIN Prefixes per ASN:                                        11.78
ARIN Region origin ASes announcing only one prefix:                6805
ARIN Region transit ASes present in the Internet Routing Table:    1837
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2530
Number of ARIN addresses announced to Internet:              1077222048
    Equivalent to 64 /8s, 53 /16s and 26 /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, 393216-399260
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:                    200083
    Total RIPE prefixes after maximum aggregation:                95461
    RIPE Deaggregation factor:                                     2.10
Prefixes being announced from the RIPE address blocks:           196486
    Unique aggregates announced from the RIPE address blocks:    116177
RIPE Region origin ASes present in the Internet Routing Table:    25732
    RIPE Prefixes per ASN:                                         7.64
RIPE Region origin ASes announcing only one prefix:               11493
RIPE Region transit ASes present in the Internet Routing Table:    3556
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7709
Number of RIPE addresses announced to Internet:               716063360
    Equivalent to 42 /8s, 174 /16s and 66 /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
                       196608-210331
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:                   95008
    Total LACNIC prefixes after maximum aggregation:              22014
    LACNIC Deaggregation factor:                                   4.32
Prefixes being announced from the LACNIC address blocks:          96404
    Unique aggregates announced from the LACNIC address blocks:   42127
LACNIC Region origin ASes present in the Internet Routing Table:   7917
    LACNIC Prefixes per ASN:                                      12.18
LACNIC Region origin ASes announcing only one prefix:              2181
LACNIC Region transit ASes present in the Internet Routing Table:  1488
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5466
Number of LACNIC addresses announced to Internet:             173172736
    Equivalent to 10 /8s, 82 /16s and 104 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-270748 + 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:                  20176
    Total AfriNIC prefixes after maximum aggregation:              4221
    AfriNIC Deaggregation factor:                                  4.78
Prefixes being announced from the AfriNIC address blocks:         25810
    Unique aggregates announced from the AfriNIC address blocks:   9062
AfriNIC Region origin ASes present in the Internet Routing Table:  1232
    AfriNIC Prefixes per ASN:                                     20.95
AfriNIC Region origin ASes announcing only one prefix:              420
AfriNIC Region transit ASes present in the Internet Routing Table:  241
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  503
Number of AfriNIC addresses announced to Internet:            102852352
    Equivalent to 6 /8s, 33 /16s and 103 /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
  7545         4652        515     520  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4639       4192      74  ERX-CERNET-BKB China Education and Rese
  7552         2995       1160      91  VIETEL-AS-AP Viettel Group, VN
 45899         2982       1717     115  VNPT-AS-VN VNPT Corp, VN
  4766         2819      11129     769  KIXS-AS-KR Korea Telecom, KR
  9829         2750       1496     551  BSNL-NIB National Internet Backbone, IN
  9808         2511       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2400       4906      29  CTTNET China TieTong Telecommunications
 17974         2258        968      50  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2141        438     177  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         3499       1326      91  SHAW - Shaw Communications Inc., CA
 11492         3480        225     608  CABLEONE - CABLE ONE, INC., US
 22773         3306       2980     176  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2603       5293     974  AMAZON-02 - Amazon.com, Inc., US
 16625         2191       1224    1684  AKAMAI-AS - Akamai Technologies, Inc., 
 20115         2150       2754     533  CHARTER-20115 - Charter Communications,
 18566         2144        405     108  MEGAPATH5-US - MegaPath Corporation, US
 30036         2092        349     134  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  5650         2087       3074    1462  FRONTIER-FRTR - Frontier Communications
   209         2081       5079     593  CENTURYLINK-US-LEGACY-QWEST - CenturyLi

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         5240       1628     138  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3244        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2614        576    1925  AKAMAI-ASN1, US
 12389         2233       2221     626  ROSTELECOM-AS, RU
 34984         2034        337     534  TELLCOM-AS, TR
  9121         1672       1691      17  TTNET, TR
 13188         1602        100      46  TRIOLAN, UA
  8402         1298        544      17  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1218        355      21  UKRTELNET, UA

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         5465       3317     592  Uninet S.A. de C.V., MX
 10620         3146        476     893  Telmex Colombia S.A., CO
 11830         2679        371      71  Instituto Costarricense de Electricidad
  6503         1649        449      54  Axtel, S.A.B. de C.V., MX
  7303         1440        961     225  Telecom Argentina S.A., AR
 28573         1185       2241     179  CLARO S.A., BR
  6147         1074        377      29  Telefonica del Peru S.A.A., PE
  3816         1023        510     110  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          943        145      69  Alestra, S. de R.L. de C.V., MX
 13999          931        538     258  Mega Cable, S.A. 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         1165        393      24  LINKdotNET-AS, EG
 37611          898        107       9  Afrihost, ZA
 36903          796        400     142  MT-MPLS, MA
 36992          779       1411      44  ETISALAT-MISR, EG
 24835          683        634      21  RAYA-AS, EG
  8452          639       1731      19  TE-AS TE-AS, EG
 29571          481         70      12  ORANGE-COTE-IVOIRE, CI
 37492          459        470      57  ORANGE-, TN
 37342          421         32       1  MOVITEL, MZ
 15399          415         45      11  WANANCHI-, KE

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
  8151         5465       3317     592  Uninet S.A. de C.V., MX
 12479         5240       1628     138  UNI2-AS, ES
  7545         4652        515     520  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4639       4192      74  ERX-CERNET-BKB China Education and Rese
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3499       1326      91  SHAW - Shaw Communications Inc., CA
 11492         3480        225     608  CABLEONE - CABLE ONE, INC., US
 22773         3306       2980     176  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8551         3244        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 10620         3146        476     893  Telmex Colombia S.A., CO

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

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

  ASN   No of nets  Net Savings  Description
 12479       5240         5102   UNI2-AS, ES
  4538       4639         4565   ERX-CERNET-BKB China Education and Research Net
  7545       4652         4132   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3499         3408   SHAW - Shaw Communications Inc., CA
  8551       3244         3201   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773       3306         3130   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       2995         2904   VIETEL-AS-AP Viettel Group, VN
 11492       3480         2872   CABLEONE - CABLE ONE, INC., US
 45899       2982         2867   VNPT-AS-VN VNPT Corp, VN

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

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

Bad AS    Designation  Network              Transit AS  Description
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  65534   PRIVATE      46.46.17.0/24        15638       UTL Ussuriysk, RU
  65534   PRIVATE      46.46.32.0/21        15638       UTL Ussuriysk, RU
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65534   PRIVATE      80.93.96.0/21        15638       UTL Ussuriysk, RU
  65534   PRIVATE      93.88.216.0/22       15638       UTL Ussuriysk, RU
  65534   PRIVATE      93.88.220.0/24       15638       UTL Ussuriysk, RU
4200058511   PRIVATE      103.111.177.0/24    137522       OERL-AS-AP Origin Energy Retai
4200058511   PRIVATE      103.111.178.0/24    137522       OERL-AS-AP Origin Energy Retai

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

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

Prefix             Origin AS  Description
198.18.1.19/32        7497     CSTNET-AS-AP Computer Network Information Cente

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
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.78.92.0/22        14988    BTC-GATE1, BW
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.255.80.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
43.255.83.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22      134356    UNKNOWN
45.124.164.0/22      38803    GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU

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        /8:12       /9:11      /10:36      /11:99      /12:291     
/13:568     /14:1125    /15:1909    /16:13349   /17:7882    /18:13863   
/19:25505   /20:39676   /21:46116   /22:91180   /23:74538   /24:412844  
/25:824     /26:656     /27:636     /28:32      /29:19      /30:9       
/31:2       /32:190     

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

   ASN   No of nets  Total ann.  Description
 12479     4093          5240    UNI2-AS, ES
  6327     3263          3499    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2764          3480    CABLEONE - CABLE ONE, INC., US
  8551     2700          3244    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2544          3306    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2039          2144    MEGAPATH5-US - MegaPath Corporation, US
 11830     2024          2679    Instituto Costarricense de Electricidad y Telec
 30036     1841          2092    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1761          2087    FRONTIER-FRTR - Frontier Communications of Amer

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

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

   1:1629      2:884       4:18        5:2757      6:43        7:1      
   8:1148     12:1877     13:302      14:1884     15:36       16:2      
  17:207      18:59       20:48       23:2553     24:2419     25:2      
  27:2550     31:2011     32:91       35:31       36:539      37:2992   
  38:1593     39:309      40:120      41:3155     42:741      43:1993   
  44:137      45:6390     46:3095     47:243      49:1324     50:1075   
  51:319      52:1087     54:363      55:1        56:6        57:41     
  58:1713     59:1072     60:462      61:2080     62:1998     63:1812   
  64:5066     65:2184     66:4784     67:2681     68:1159     69:3412   
  70:1148     71:602      72:2258     74:2731     75:410      76:527    
  77:1725     78:1716     79:2285     80:1649     81:1413     82:1081   
  83:870      84:1067     85:2133     86:566      87:1518     88:988    
  89:2433     90:211      91:6496     92:1259     93:2358     94:2398   
  95:3128     96:906      97:346      98:936      99:169     100:88     
 101:1164    102:307     103:19556   104:3561    105:243     106:879    
 107:1834    108:703     109:3623    110:1634    111:1860    112:1395   
 113:1329    114:1147    115:1718    116:1615    117:1896    118:2205   
 119:1682    120:1136    121:1025    122:2357    123:1619    124:1440   
 125:1950    128:1208    129:689     130:519     131:1632    132:717    
 133:193     134:1043    135:230     136:541     137:675     138:1928   
 139:775     140:568     141:763     142:802     143:1010    144:849    
 145:504     146:1249    147:771     148:1701    149:790     150:799    
 151:997     152:931     153:326     154:2373    155:963     156:1635   
 157:851     158:656     159:1887    160:1489    161:902     162:2667   
 163:770     164:1121    165:1588    166:467     167:1366    168:3207   
 169:870     170:4003    171:497     172:1071    173:2138    174:988    
 175:879     176:2224    177:4073    178:2529    179:1318    180:2091   
 181:2362    182:2629    183:1337    184:1136    185:14512   186:3693   
 187:2536    188:2978    189:2101    190:8281    191:1405    192:9999   
 193:6473    194:5320    195:4041    196:3018    197:1761    198:5679   
 199:5986    200:7427    201:5003    202:10228   203:10233   204:4608   
 205:3009    206:3278    207:3263    208:3929    209:4203    210:3877   
 211:2019    212:3074    213:2824    214:1067    215:52      216:6008   
 217:2191    218:874     219:580     220:1835    221:997     222:976    
 223:1418   

End of report