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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 19 Oct, 2019

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

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

BGP routing table entries examined:                              779749
    Prefixes after maximum aggregation (per Origin AS):          297110
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      374872
Total ASes present in the Internet Routing Table:                 65913
    Prefixes per ASN:                                             11.83
Origin-only ASes present in the Internet Routing Table:           56659
Origin ASes announcing only one prefix:                           24237
Transit ASes present in the Internet Routing Table:                9254
Transit-only ASes present in the Internet Routing Table:            277
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      42
    Max AS path prepend of ASN ( 27978)                              31
Prefixes from unregistered ASNs in the Routing Table:                30
    Number of instances of unregistered ASNs:                        30
Number of 32-bit ASNs allocated by the RIRs:                      29125
Number of 32-bit ASNs visible in the Routing Table:               23851
Prefixes from 32-bit ASNs in the Routing Table:                  108145
Number of bogon 32-bit ASNs visible in the Routing Table:            16
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            323
Number of addresses announced to Internet:                   2841942656
    Equivalent to 169 /8s, 100 /16s and 154 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.4
Total number of prefixes smaller than registry allocations:      260164

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

Prefixes being announced by APNIC Region ASes:                   209506
    Total APNIC prefixes after maximum aggregation:               60778
    APNIC Deaggregation factor:                                    3.45
Prefixes being announced from the APNIC address blocks:          203864
    Unique aggregates announced from the APNIC address blocks:    84786
APNIC Region origin ASes present in the Internet Routing Table:   10095
    APNIC Prefixes per ASN:                                       20.19
APNIC Region origin ASes announcing only one prefix:               2808
APNIC Region transit ASes present in the Internet Routing Table:   1506
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5126
Number of APNIC addresses announced to Internet:              771040896
    Equivalent to 45 /8s, 245 /16s and 38 /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, 131072-141625
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:                    229089
    Total ARIN prefixes after maximum aggregation:               106880
    ARIN Deaggregation factor:                                     2.14
Prefixes being announced from the ARIN address blocks:           227231
    Unique aggregates announced from the ARIN address blocks:    108281
ARIN Region origin ASes present in the Internet Routing Table:    18626
    ARIN Prefixes per ASN:                                        12.20
ARIN Region origin ASes announcing only one prefix:                6906
ARIN Region transit ASes present in the Internet Routing Table:    1920
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          42
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2962
Number of ARIN addresses announced to Internet:              1068162432
    Equivalent to 63 /8s, 170 /16s and 221 /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,  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:                    218327
    Total RIPE prefixes after maximum aggregation:               101976
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           214677
    Unique aggregates announced from the RIPE address blocks:    126944
RIPE Region origin ASes present in the Internet Routing Table:    26559
    RIPE Prefixes per ASN:                                         8.08
RIPE Region origin ASes announcing only one prefix:               11688
RIPE Region transit ASes present in the Internet Routing Table:    3756
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    8595
Number of RIPE addresses announced to Internet:               722487680
    Equivalent to 43 /8s, 16 /16s and 73 /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:                  101149
    Total LACNIC prefixes after maximum aggregation:              23095
    LACNIC Deaggregation factor:                                   4.38
Prefixes being announced from the LACNIC address blocks:         102279
    Unique aggregates announced from the LACNIC address blocks:   44960
LACNIC Region origin ASes present in the Internet Routing Table:   9000
    LACNIC Prefixes per ASN:                                      11.36
LACNIC Region origin ASes announcing only one prefix:              2363
LACNIC Region transit ASes present in the Internet Routing Table:  1688
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        39
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6548
Number of LACNIC addresses announced to Internet:             173984256
    Equivalent to 10 /8s, 94 /16s and 202 /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:                  21647
    Total AfriNIC prefixes after maximum aggregation:              4357
    AfriNIC Deaggregation factor:                                  4.97
Prefixes being announced from the AfriNIC address blocks:         31375
    Unique aggregates announced from the AfriNIC address blocks:   9629
AfriNIC Region origin ASes present in the Internet Routing Table:  1339
    AfriNIC Prefixes per ASN:                                     23.43
AfriNIC Region origin ASes announcing only one prefix:              472
AfriNIC Region transit ASes present in the Internet Routing Table:  259
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  620
Number of AfriNIC addresses announced to Internet:            105941504
    Equivalent to 6 /8s, 80 /16s and 138 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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         5039        626     598  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4677       4192      74  ERX-CERNET-BKB China Education and Rese
  7552         3233       1331      26  VIETEL-AS-AP Viettel Group, VN
 45899         3074       1767     112  VNPT-AS-VN VNPT Corp, VN
  9829         2773       1495     530  BSNL-NIB National Internet Backbone, IN
  7713         2625        801     479  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808         2611       9043      63  CMNET-GD Guangdong Mobile Communication
  4766         2556      11123     766  KIXS-AS-KR Korea Telecom, KR
  9498         2192        432     207  BBIL-AP BHARTI Airtel Ltd., IN
  4755         2146        442     197  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
  7155         4056        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3753        247     694  CABLEONE - CABLE ONE, INC., US
 22773         3481       2970     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3422       1324      93  SHAW - Shaw Communications Inc., CA
 16509         3213       7157    1548  AMAZON-02 - Amazon.com, Inc., US
 16625         2842       1498    2035  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2228        353     135  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 20115         2133       2769     517  CHARTER-20115 - Charter Communications,
 18566         2076        405     104  MEGAPATH5-US - MegaPath Corporation, US
  5650         2061       3073    1454  FRONTIER-FRTR - Frontier Communications

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         5592       1617     135  UNI2-AS, ES
 39891         4034        219      19  ALJAWWALSTC-AS, SA
  8551         2953        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2770        484    1943  AKAMAI-ASN1, US
 31334         2620        484      13  KABELDEUTSCHLAND-AS, DE
 12389         2403       2232     691  ROSTELECOM-AS, RU
  9121         2232       1692      18  TTNET, TR
 34984         2159        350     536  TELLCOM-AS, TR
  9009         1861        201    1019  M247, GB
 13188         1604        100      47  TRIOLAN, 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         6285       3353     590  Uninet S.A. de C.V., MX
 10620         3362        534     453  Telmex Colombia S.A., CO
 11830         2695        370      54  Instituto Costarricense de Electricidad
  6503         1760        387     400  Axtel, S.A.B. de C.V., MX
  7303         1476       1024     276  Telecom Argentina S.A., AR
 28573         1182       2232     194  CLARO S.A., BR
  6147         1090        380      37  Telefonica del Peru S.A.A., PE
 13999         1090        491     252  Mega Cable, S.A. de C.V., MX
  3816         1064        548     127  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          932        110      59  Alestra, S. de R.L. de C.V., MX

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

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 24863         1168        393      23  LINKdotNET-AS, EG
 36992         1020       1535      73  ETISALAT-MISR, EG
 24835          971        618      25  RAYA-AS, EG
 36903          868        438      95  MT-MPLS, MA
  8452          674       1857      19  TE-AS TE-AS, EG
  6713          626       1863      34  IAM-AS, MA
 29571          527         68      11  ORANGE-COTE-IVOIRE, CI
 15399          407         45      10  WANANCHI-, KE
 37342          402         32       1  MOVITEL, MZ
 23889          366        231      15  MauritiusTelecom, MU

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         6285       3353     590  Uninet S.A. de C.V., MX
 12479         5592       1617     135  UNI2-AS, ES
  7545         5039        626     598  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4677       4192      74  ERX-CERNET-BKB China Education and Rese
  7155         4056        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 11492         3753        247     694  CABLEONE - CABLE ONE, INC., US
 22773         3481       2970     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3422       1324      93  SHAW - Shaw Communications Inc., CA
 10620         3362        534     453  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       5592         5457   UNI2-AS, ES
  4538       4677         4603   ERX-CERNET-BKB China Education and Research Net
  7545       5039         4441   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4056         4029   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       4034         4015   ALJAWWALSTC-AS, SA
  6327       3422         3329   SHAW - Shaw Communications Inc., CA
 22773       3481         3325   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       3233         3207   VIETEL-AS-AP Viettel Group, VN
 11492       3753         3059   CABLEONE - CABLE ONE, INC., US
 45899       3074         2962   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
  64501   DOCUMENT     45.174.25.0/24      267817       UNKNOWN
 260984   UNALLOCATED  45.175.186.0/23      16735       ALGAR TELECOM S/A, BR
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  65550   DOCUMENT     81.8.34.0/24         15924       BORUSANTELEKOM-AS, TR
  65550   DOCUMENT     81.8.35.0/24         15924       BORUSANTELEKOM-AS, TR
  65541   DOCUMENT     103.141.175.0/24     58689       ICCNET-DHK-BD ICC Communicatio
  65549   DOCUMENT     117.239.163.0/24     65544       UNKNOWN
  64339   UNALLOCATED  143.0.108.0/22       18747       IFX18747 - IFX Corporation, US
  64355   UNALLOCATED  156.40.196.0/24      30387       NIH-NET-NCCS - National Instit

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

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

Network            Origin AS  Description
23.136.224.0/24      15206    6X7 - 6x7 Networks LLC, ZZ
27.100.7.0/24        56096    UNKNOWN
27.126.156.0/22      55827    UNKNOWN
27.126.156.0/23      55827    UNKNOWN
27.126.158.0/23      55827    UNKNOWN
41.67.192.0/18       15964    CAMNET-AS, CM
41.67.192.0/24       15964    CAMNET-AS, CM
41.67.200.0/24       15964    CAMNET-AS, CM
41.67.201.0/24       15964    CAMNET-AS, CM
41.67.202.0/24       15964    CAMNET-AS, CM

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        /8:10       /9:11      /10:38      /11:100     /12:291     
/13:573     /14:1148    /15:1924    /16:13307   /17:8074    /18:13957   
/19:25717   /20:40434   /21:47468   /22:97352   /23:78780   /24:449016  
/25:1549    /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN   No of nets  Total ann.  Description
 12479     4550          5592    UNI2-AS, ES
  6327     3209          3422    SHAW - Shaw Communications Inc., CA
  7155     3148          4056    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891     2946          4034    ALJAWWALSTC-AS, SA
 11492     2920          3753    CABLEONE - CABLE ONE, INC., US
 22773     2706          3481    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334     2476          2620    KABELDEUTSCHLAND-AS, DE
  8551     2412          2953    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     2042          2695    Instituto Costarricense de Electricidad y Telec
  8151     2001          6285    Uninet S.A. de C.V., MX

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

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

   1:1544      2:1122      3:6         4:21        5:3105      6:49     
   7:1         8:1363      9:1        12:1797     13:426      14:2143   
  15:50       16:7        17:270      18:78       20:56       23:2967   
  24:2600     25:4        27:2481     31:2761     32:105      35:36     
  36:921      37:3145     38:1816     39:305      40:126      41:3401   
  42:642      43:2098     44:179      45:11613    46:3355     47:270    
  49:1426     50:1118     51:347      52:1065     54:263      55:692    
  56:6        57:48       58:2029     59:1116     60:624      61:2225   
  62:2111     63:1881     64:5017     65:2257     66:4852     67:2734   
  68:1224     69:3614     70:1391     71:671      72:2708     74:2679   
  75:1290     76:597      77:2569     78:2016     79:2169     80:1822   
  81:1523     82:1194     83:941      84:1195     85:2415     86:563    
  87:1595     88:1143     89:2590     90:239      91:6649     92:1433   
  93:2473     94:2615     95:3715     96:959      97:339      98:969    
  99:833     100:82      101:1093    102:698     103:22386   104:3646   
 105:331     106:831     107:1818    108:683     109:3609    110:1797   
 111:2053    112:1551    113:1379    114:1443    115:1813    116:1808   
 117:1958    118:2172    119:1663    120:1085    121:1055    122:2311   
 123:1848    124:1550    125:2010    128:1388    129:860     130:552    
 131:1801    132:756     133:241     134:1105    135:258     136:614    
 137:824     138:2115    139:965     140:665     141:891     142:793    
 143:1100    144:895     145:285     146:1435    147:926     148:1870   
 149:1029    150:828     151:1286    152:1403    153:365     154:4424   
 155:889     156:2769    157:1059    158:705     159:1945    160:1635   
 161:1025    162:3005    163:854     164:1304    165:1158    166:523    
 167:1444    168:3585    169:484     170:4239    171:707     172:1760   
 173:2299    174:1035    175:996     176:2526    177:4105    178:2777   
 179:1433    180:2196    181:2362    182:2813    183:1119    184:2289   
 185:15668   186:3797    187:2585    188:3417    189:2084    190:8321   
 191:1467    192:10101   193:6823    194:5556    195:4190    196:3177   
 197:1827    198:6057    199:5960    200:7145    201:5152    202:10429  
 203:10210   204:4587    205:3084    206:3237    207:3280    208:3976   
 209:4320    210:3947    211:2033    212:3303    213:2947    214:1154   
 215:54      216:5872    217:2262    218:884     219:604     220:1925   
 221:975     222:1015    223:1396   

End of report