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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 30 Nov, 2019

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

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

BGP routing table entries examined:                              784723
    Prefixes after maximum aggregation (per Origin AS):          299243
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      378795
Total ASes present in the Internet Routing Table:                 66322
    Prefixes per ASN:                                             11.83
Origin-only ASes present in the Internet Routing Table:           57021
Origin ASes announcing only one prefix:                           24299
Transit ASes present in the Internet Routing Table:                9301
Transit-only ASes present in the Internet Routing Table:            281
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      36
    Max AS path prepend of ASN ( 44555)                              27
Prefixes from unregistered ASNs in the Routing Table:                40
    Number of instances of unregistered ASNs:                        40
Number of 32-bit ASNs allocated by the RIRs:                      29742
Number of 32-bit ASNs visible in the Routing Table:               24346
Prefixes from 32-bit ASNs in the Routing Table:                  111149
Number of bogon 32-bit ASNs visible in the Routing Table:            13
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            307
Number of addresses announced to Internet:                   2843090560
    Equivalent to 169 /8s, 118 /16s and 30 /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:      261726

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

Prefixes being announced by APNIC Region ASes:                   209564
    Total APNIC prefixes after maximum aggregation:               61127
    APNIC Deaggregation factor:                                    3.43
Prefixes being announced from the APNIC address blocks:          203680
    Unique aggregates announced from the APNIC address blocks:    84978
APNIC Region origin ASes present in the Internet Routing Table:   10188
    APNIC Prefixes per ASN:                                       19.99
APNIC Region origin ASes announcing only one prefix:               2823
APNIC Region transit ASes present in the Internet Routing Table:   1513
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:   5219
Number of APNIC addresses announced to Internet:              771586176
    Equivalent to 45 /8s, 253 /16s and 120 /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:                    230767
    Total ARIN prefixes after maximum aggregation:               107041
    ARIN Deaggregation factor:                                     2.16
Prefixes being announced from the ARIN address blocks:           228081
    Unique aggregates announced from the ARIN address blocks:    109168
ARIN Region origin ASes present in the Internet Routing Table:    18644
    ARIN Prefixes per ASN:                                        12.23
ARIN Region origin ASes announcing only one prefix:                6917
ARIN Region transit ASes present in the Internet Routing Table:    1918
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3029
Number of ARIN addresses announced to Internet:              1068918272
    Equivalent to 63 /8s, 182 /16s and 102 /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:                    220891
    Total RIPE prefixes after maximum aggregation:               103239
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           217763
    Unique aggregates announced from the RIPE address blocks:    129001
RIPE Region origin ASes present in the Internet Routing Table:    26687
    RIPE Prefixes per ASN:                                         8.16
RIPE Region origin ASes announcing only one prefix:               11708
RIPE Region transit ASes present in the Internet Routing Table:    3748
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:    8751
Number of RIPE addresses announced to Internet:               723147264
    Equivalent to 43 /8s, 26 /16s and 90 /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:                  101592
    Total LACNIC prefixes after maximum aggregation:              23384
    LACNIC Deaggregation factor:                                   4.34
Prefixes being announced from the LACNIC address blocks:         102727
    Unique aggregates announced from the LACNIC address blocks:   45072
LACNIC Region origin ASes present in the Internet Routing Table:   9151
    LACNIC Prefixes per ASN:                                      11.23
LACNIC Region origin ASes announcing only one prefix:              2367
LACNIC Region transit ASes present in the Internet Routing Table:  1733
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        36
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6712
Number of LACNIC addresses announced to Internet:             173886208
    Equivalent to 10 /8s, 93 /16s and 75 /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:                  21868
    Total AfriNIC prefixes after maximum aggregation:              4426
    AfriNIC Deaggregation factor:                                  4.94
Prefixes being announced from the AfriNIC address blocks:         32165
    Unique aggregates announced from the AfriNIC address blocks:  10318
AfriNIC Region origin ASes present in the Internet Routing Table:  1353
    AfriNIC Prefixes per ASN:                                     23.77
AfriNIC Region origin ASes announcing only one prefix:              484
AfriNIC Region transit ASes present in the Internet Routing Table:  267
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:  635
Number of AfriNIC addresses announced to Internet:            105235968
    Equivalent to 6 /8s, 69 /16s and 198 /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         5117        635     595  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4662       4190      72  ERX-CERNET-BKB China Education and Rese
  7552         3260       1331      27  VIETEL-AS-AP Viettel Group, VN
 45899         3076       1776     116  VNPT-AS-VN VNPT Corp, VN
  7713         2700        798     485  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9829         2663       1495     530  BSNL-NIB National Internet Backbone, IN
  9808         2624       9043      62  CMNET-GD Guangdong Mobile Communication
  4766         2392      11112     670  KIXS-AS-KR Korea Telecom, KR
  9498         2210        433     212  BBIL-AP BHARTI Airtel Ltd., IN
  4755         2150        442     195  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         4055        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3833        252     653  CABLEONE - CABLE ONE, INC., US
 16509         3761       7443    1678  AMAZON-02 - Amazon.com, Inc., US
 22773         3503       2970     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3366       1324      93  SHAW - Shaw Communications Inc., CA
 16625         2952       1549    2111  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2264        356     102  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2155       5071     528  CENTURYLINK-US-LEGACY-QWEST - CenturyLi
 20115         2133       2769     517  CHARTER-20115 - Charter Communications,
 18566         2065        405     103  MEGAPATH5-US - MegaPath Corporation, 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         5743       1635     135  UNI2-AS, ES
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 31334         3296        484      13  KABELDEUTSCHLAND-AS, DE
  8551         2959        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2795        466    1950  AKAMAI-ASN1, US
 12389         2462       2235     708  ROSTELECOM-AS, RU
 34984         2159        350     541  TELLCOM-AS, TR
  9009         1961        210    1077  M247, GB
  9121         1943       1691      18  TTNET, TR
 13188         1605        100      46  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         6127       3292     609  Uninet S.A. de C.V., MX
 10620         3355        532     466  Telmex Colombia S.A., CO
 11830         2687        369      63  Instituto Costarricense de Electricidad
  6503         1685        323     390  Axtel, S.A.B. de C.V., MX
  7303         1480       1026     267  Telecom Argentina S.A., AR
 28573         1201       2232     198  CLARO S.A., BR
 13999         1135        494     256  Mega Cable, S.A. de C.V., MX
  3816         1112        557     131  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147         1102        380      36  Telefonica del Peru S.A.A., PE
 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         1222        393      23  LINKdotNET-AS, EG
 36992         1031       1535      73  ETISALAT-MISR, EG
 24835          976        594      25  RAYA-AS, EG
 36903          868        438      95  MT-MPLS, MA
  8452          689       1857      19  TE-AS TE-AS, EG
  6713          627       1863      34  IAM-AS, MA
 29571          560         68      11  ORANGE-COTE-IVOIRE, CI
 37342          480         32       1  MOVITEL, MZ
 23889          366        231      15  MauritiusTelecom, MU
 15399          351         45      10  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         6127       3292     609  Uninet S.A. de C.V., MX
 12479         5743       1635     135  UNI2-AS, ES
  7545         5117        635     595  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4662       4190      72  ERX-CERNET-BKB China Education and Rese
  7155         4055        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 11492         3833        252     653  CABLEONE - CABLE ONE, INC., US
 16509         3761       7443    1678  AMAZON-02 - Amazon.com, Inc., US
 22773         3503       2970     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3366       1324      93  SHAW - Shaw Communications Inc., CA

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       5743         5608   UNI2-AS, ES
  4538       4662         4590   ERX-CERNET-BKB China Education and Research Net
  7545       5117         4522   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4055         4028   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       4034         4015   ALJAWWALSTC-AS, SA
 22773       3503         3347   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334       3296         3283   KABELDEUTSCHLAND-AS, DE
  6327       3366         3273   SHAW - Shaw Communications Inc., CA
  7552       3260         3233   VIETEL-AS-AP Viettel Group, VN
 11492       3833         3180   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
  64501   DOCUMENT     45.174.25.0/24      267817       UNKNOWN
 267874   UNALLOCATED  45.175.152.0/22      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.152.0/24      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.153.0/24      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.154.0/24      52361       ARSAT - Empresa Argentina de S
 267874   UNALLOCATED  45.175.155.0/24      52361       ARSAT - Empresa Argentina de S
 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
  65595   UNALLOCATED  46.234.9.0/24        15924       BORUSANTELEKOM-AS, TR

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
31.217.248.0/23     209372    IPMEN, GB
31.217.250.0/23     209372    IPMEN, GB
31.217.252.0/23     209372    IPMEN, GB
31.217.254.0/23     209372    IPMEN, GB
37.77.148.0/23      209372    IPMEN, GB

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     /12:290     
/13:578     /14:1160    /15:1921    /16:13339   /17:8088    /18:13822   
/19:25647   /20:40278   /21:47447   /22:97986   /23:79796   /24:453368  
/25:844     /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     4694          5743    UNI2-AS, ES
  6327     3153          3366    SHAW - Shaw Communications Inc., CA
  7155     3147          4055    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 31334     3147          3296    KABELDEUTSCHLAND-AS, DE
 11492     2986          3833    CABLEONE - CABLE ONE, INC., US
 39891     2946          4034    ALJAWWALSTC-AS, SA
 22773     2723          3503    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2418          2959    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     2034          2687    Instituto Costarricense de Electricidad y Telec
 30036     2014          2264    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi

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

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

   1:1540      2:1138      3:12        4:19        5:3156      6:48     
   8:1372      9:1        12:1794     13:474      14:2177     15:54     
  16:9        17:278      18:79       20:56       23:3129     24:2606   
  25:4        27:2498     31:2791     32:104      35:37       36:928    
  37:3209     38:1794     39:311      40:133      41:3316     42:848    
  43:2120     44:188      45:12331    46:3268     47:270      49:1419   
  50:1134     51:343      52:1112     54:271      55:729      56:6      
  57:47       58:1898     59:1110     60:660      61:2210     62:2117   
  63:1915     64:4987     65:2298     66:4805     67:2785     68:1224   
  69:3592     70:1389     71:671      72:2751     74:2676     75:1421   
  76:661      77:2529     78:1967     79:2198     80:1816     81:1528   
  82:1189     83:981      84:1210     85:2523     86:581      87:1624   
  88:1059     89:2599     90:255      91:7397     92:1449     93:2447   
  94:2584     95:3688     96:931      97:339      98:957      99:966    
 100:85      101:1088    102:703     103:22759   104:3603    105:366    
 106:835     107:1839    108:687     109:3612    110:1787    111:1942   
 112:1567    113:1384    114:1453    115:1812    116:1799    117:2005   
 118:2103    119:1675    120:889     121:1037    122:2314    123:1878   
 124:1530    125:2008    128:1389    129:885     130:570     131:1824   
 132:774     133:252     134:1247    135:272     136:592     137:849    
 138:2165    139:981     140:653     141:852     142:813     143:1094   
 144:940     145:290     146:1446    147:976     148:1881    149:1040   
 150:836     151:1281    152:1459    153:369     154:4401    155:876    
 156:2928    157:1065    158:718     159:1939    160:1664    161:1034   
 162:3020    163:862     164:1296    165:1194    166:536     167:1459   
 168:3569    169:488     170:4199    171:701     172:1832    173:2312   
 174:1033    175:999     176:2658    177:4209    178:2812    179:1448   
 180:2172    181:2385    182:2822    183:1094    184:2281    185:15779  
 186:3807    187:2527    188:3459    189:2051    190:8345    191:1503   
 192:10154   193:7147    194:5741    195:4224    196:3279    197:1940   
 198:6074    199:5943    200:7156    201:5170    202:10413   203:10219  
 204:4567    205:3079    206:3254    207:3249    208:3986    209:4321   
 210:3979    211:2003    212:3301    213:2981    214:1113    215:55     
 216:5836    217:2296    218:899     219:610     220:1955    221:944    
 222:1019    223:1354   

End of report