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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 01 Dec, 2018

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

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

BGP routing table entries examined:                              726637
    Prefixes after maximum aggregation (per Origin AS):          280070
    Deaggregation factor:                                          2.59
    Unique aggregates announced (without unneeded subnets):      349897
Total ASes present in the Internet Routing Table:                 62579
    Prefixes per ASN:                                             11.61
Origin-only ASes present in the Internet Routing Table:           53999
Origin ASes announcing only one prefix:                           23452
Transit ASes present in the Internet Routing Table:                8580
Transit-only ASes present in the Internet Routing Table:            256
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      43
    Max AS path prepend of ASN ( 22394)                              40
Prefixes from unregistered ASNs in the Routing Table:                36
    Number of instances of unregistered ASNs:                        36
Number of 32-bit ASNs allocated by the RIRs:                      25055
Number of 32-bit ASNs visible in the Routing Table:               20291
Prefixes from 32-bit ASNs in the Routing Table:                   87059
Number of bogon 32-bit ASNs visible in the Routing Table:            18
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            255
Number of addresses announced to Internet:                   2854067617
    Equivalent to 170 /8s, 29 /16s and 157 /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:               99.1
Total number of prefixes smaller than registry allocations:      242499

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

Prefixes being announced by APNIC Region ASes:                   198357
    Total APNIC prefixes after maximum aggregation:               56634
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          195618
    Unique aggregates announced from the APNIC address blocks:    80721
APNIC Region origin ASes present in the Internet Routing Table:    9250
    APNIC Prefixes per ASN:                                       21.15
APNIC Region origin ASes announcing only one prefix:               2597
APNIC Region transit ASes present in the Internet Routing Table:   1385
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:   4254
Number of APNIC addresses announced to Internet:              768787328
    Equivalent to 45 /8s, 210 /16s and 195 /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:                    215529
    Total ARIN prefixes after maximum aggregation:               102534
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           214899
    Unique aggregates announced from the ARIN address blocks:    102746
ARIN Region origin ASes present in the Internet Routing Table:    18307
    ARIN Prefixes per ASN:                                        11.74
ARIN Region origin ASes announcing only one prefix:                6802
ARIN Region transit ASes present in the Internet Routing Table:    1830
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          43
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2512
Number of ARIN addresses announced to Internet:              1093425568
    Equivalent to 65 /8s, 44 /16s and 89 /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:                    198658
    Total RIPE prefixes after maximum aggregation:                94883
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           195035
    Unique aggregates announced from the RIPE address blocks:    115624
RIPE Region origin ASes present in the Internet Routing Table:    25667
    RIPE Prefixes per ASN:                                         7.60
RIPE Region origin ASes announcing only one prefix:               11478
RIPE Region transit ASes present in the Internet Routing Table:    3543
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7636
Number of RIPE addresses announced to Internet:               715962752
    Equivalent to 42 /8s, 172 /16s and 185 /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:                   94374
    Total LACNIC prefixes after maximum aggregation:              21796
    LACNIC Deaggregation factor:                                   4.33
Prefixes being announced from the LACNIC address blocks:          95750
    Unique aggregates announced from the LACNIC address blocks:   41854
LACNIC Region origin ASes present in the Internet Routing Table:   7850
    LACNIC Prefixes per ASN:                                      12.20
LACNIC Region origin ASes announcing only one prefix:              2162
LACNIC Region transit ASes present in the Internet Routing Table:  1483
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:  5392
Number of LACNIC addresses announced to Internet:             172999680
    Equivalent to 10 /8s, 79 /16s and 196 /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:                  19682
    Total AfriNIC prefixes after maximum aggregation:              4193
    AfriNIC Deaggregation factor:                                  4.69
Prefixes being announced from the AfriNIC address blocks:         25080
    Unique aggregates announced from the AfriNIC address blocks:   8714
AfriNIC Region origin ASes present in the Internet Routing Table:  1226
    AfriNIC Prefixes per ASN:                                     20.46
AfriNIC Region origin ASes announcing only one prefix:              413
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:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  497
Number of AfriNIC addresses announced to Internet:            102497536
    Equivalent to 6 /8s, 27 /16s and 253 /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         4620        515     518  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4256       4192      74  ERX-CERNET-BKB China Education and Rese
  7552         2983       1150      88  VIETEL-AS-AP Viettel Group, VN
 45899         2980       1705     113  VNPT-AS-VN VNPT Corp, VN
  4766         2832      11131     767  KIXS-AS-KR Korea Telecom, KR
  9829         2746       1496     551  BSNL-NIB National Internet Backbone, IN
  9808         2449       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2435       4907      30  CTTNET China TieTong Telecommunications
 17974         2257        970      54  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2135        421     171  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         3501       1324      84  SHAW - Shaw Communications Inc., CA
 11492         3471        224     617  CABLEONE - CABLE ONE, INC., US
 22773         3293       2977     172  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2609       5245     961  AMAZON-02 - Amazon.com, Inc., US
 16625         2200       1212    1668  AKAMAI-AS - Akamai Technologies, Inc., 
 18566         2152        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2145       2746     535  CHARTER-20115 - Charter Communications,
  5650         2087       3074    1462  FRONTIER-FRTR - Frontier Communications
 30036         2074        347     131  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2053       5080     598  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         5175       1617     133  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3035        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2587        563    1913  AKAMAI-ASN1, US
 12389         2191       2195     613  ROSTELECOM-AS, RU
 34984         2049        337     536  TELLCOM-AS, TR
  9121         1811       1691      17  TTNET, TR
 13188         1605        100      42  TRIOLAN, UA
  8402         1297        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         5444       3313     605  Uninet S.A. de C.V., MX
 10620         3123        475     888  Telmex Colombia S.A., CO
 11830         2676        371      71  Instituto Costarricense de Electricidad
  6503         1661        449      54  Axtel, S.A.B. de C.V., MX
  7303         1437        961     219  Telecom Argentina S.A., AR
 28573         1182       2240     185  CLARO S.A., BR
  6147         1117        377      29  Telefonica del Peru S.A.A., PE
  3816         1023        511     115  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          943        145      69  Alestra, S. de R.L. de C.V., MX
 13999          924        537     256  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
 37611          908        107       9  Afrihost, ZA
 36903          796        400     142  MT-MPLS, MA
 36992          787       1411      44  ETISALAT-MISR, EG
 24863          739        393      22  LINKdotNET-AS, EG
 24835          683        632      20  RAYA-AS, EG
  8452          644       1728      15  TE-AS TE-AS, EG
 29571          474         70      12  ORANGE-COTE-IVOIRE, CI
 37492          458        470      57  ORANGE-, TN
 37342          421         32       1  MOVITEL, MZ
 15399          411         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         5444       3313     605  Uninet S.A. de C.V., MX
 12479         5175       1617     133  UNI2-AS, ES
  7545         4620        515     518  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4256       4192      74  ERX-CERNET-BKB China Education and Rese
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3501       1324      84  SHAW - Shaw Communications Inc., CA
 11492         3471        224     617  CABLEONE - CABLE ONE, INC., US
 22773         3293       2977     172  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3123        475     888  Telmex Colombia S.A., CO
  8551         3035        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne

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       5175         5042   UNI2-AS, ES
  4538       4256         4182   ERX-CERNET-BKB China Education and Research Net
  7545       4620         4102   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3501         3417   SHAW - Shaw Communications Inc., CA
 22773       3293         3121   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3035         2992   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       2983         2895   VIETEL-AS-AP Viettel Group, VN
 45899       2980         2867   VNPT-AS-VN VNPT Corp, VN
 11492       3471         2854   CABLEONE - CABLE ONE, INC., US

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

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

Bad AS    Designation  Network              Transit AS  Description
 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
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64121   UNALLOCATED  98.159.9.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64121   UNALLOCATED  98.159.12.0/24       19555       KMI-NETWORK - Kinder Morgan, I
  64140   UNALLOCATED  98.159.14.0/24       64121       UNKNOWN
  65599   UNALLOCATED  103.14.27.0/24      134813       CYBERCOMM-BD Cyber Communicati
  65001   PRIVATE      109.161.56.0/24      13118       ASN-YARTELECOM PJSC Rostelecom
  92937   UNALLOCATED  110.49.72.0/24       45458       SBN-AWN-AS-02-AP SBN-ISP/AWN-I
4230060012   PRIVATE      132.190.106.0/24     64673       -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
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        /8:13       /9:11      /10:36      /11:99      /12:291     
/13:568     /14:1123    /15:1909    /16:13325   /17:7892    /18:13873   
/19:25494   /20:39471   /21:46106   /22:90181   /23:73931   /24:410046  
/25:827     /26:660     /27:643     /28:39      /29:20      /30:21      
/31:4       /32:54      

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

   ASN   No of nets  Total ann.  Description
 12479     3995          5175    UNI2-AS, ES
  6327     3271          3501    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2759          3471    CABLEONE - CABLE ONE, INC., US
 22773     2536          3293    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2491          3035    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2047          2152    MEGAPATH5-US - MegaPath Corporation, US
 11830     2021          2676    Instituto Costarricense de Electricidad y Telec
 30036     1823          2074    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)
----------------------------------------------

   1:1631      2:888       4:18        5:2736      6:43        7:1      
   8:1151     12:1869     13:296      14:1875     15:35       16:4      
  17:198      18:58       20:48       23:2529     24:2412     25:2      
  27:2530     31:2002     32:88       35:31       36:532      37:2972   
  38:1600     39:274      40:119      41:3144     42:730      43:1990   
  44:136      45:6239     46:3052     47:241      49:1320     50:1071   
  51:318      52:1109     54:362      55:1        56:6        57:41     
  58:1707     59:1075     60:462      61:2121     62:1904     63:1802   
  64:5059     65:2178     66:4782     67:2651     68:1154     69:3358   
  70:1150     71:601      72:2248     74:2714     75:399      76:526    
  77:1702     78:1744     79:2219     80:1588     81:1411     82:1056   
  83:825      84:1062     85:2132     86:558      87:1492     88:923    
  89:2399     90:211      91:6469     92:1277     93:2394     94:2458   
  95:3082     96:910      97:348      98:941      99:166     100:87     
 101:1159    102:293     103:19308   104:3579    105:227     106:903    
 107:1832    108:706     109:3434    110:1627    111:1830    112:1408   
 113:1333    114:1142    115:1707    116:1599    117:1871    118:2216   
 119:1671    120:1121    121:1033    122:2364    123:1675    124:1444   
 125:1930    128:1209    129:690     130:517     131:1644    132:717    
 133:193     134:1042    135:224     136:535     137:672     138:1949   
 139:757     140:564     141:757     142:802     143:1009    144:852    
 145:497     146:1240    147:761     148:1684    149:728     150:768    
 151:996     152:919     153:327     154:2199    155:971     156:1631   
 157:848     158:670     159:1888    160:1473    161:886     162:2648   
 163:763     164:1118    165:1589    166:462     167:1346    168:3168   
 169:866     170:4009    171:500     172:1058    173:2106    174:989    
 175:871     176:2234    177:3996    178:2522    179:1307    180:2108   
 181:2357    182:2607    183:1332    184:1145    185:14407   186:3639   
 187:2497    188:2936    189:2055    190:8293    191:1363    192:9926   
 193:6404    194:5265    195:4049    196:2995    197:1761    198:5683   
 199:5977    200:7444    201:5014    202:10193   203:10212   204:4566   
 205:3019    206:3224    207:3195    208:3955    209:4139    210:3876   
 211:2025    212:3067    213:2800    214:1059    215:55      216:6029   
 217:2177    218:871     219:506     220:1833    221:997     222:955    
 223:1406   

End of report