[menog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Aug 7 18:03:21 UTC 2020


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 at lists.apnic.net

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

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

Routing Table Report   04:00 +10GMT Sat 08 Aug, 2020

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

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

BGP routing table entries examined:                              815787
    Prefixes after maximum aggregation (per Origin AS):          311122
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      393770
Total ASes present in the Internet Routing Table:                 68891
    Prefixes per ASN:                                             11.84
Origin-only ASes present in the Internet Routing Table:           59209
Origin ASes announcing only one prefix:                           24676
Transit ASes present in the Internet Routing Table:                9682
Transit-only ASes present in the Internet Routing Table:            297
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      42
    Max AS path prepend of ASN ( 22394)                              38
Prefixes from unregistered ASNs in the Routing Table:               814
    Number of instances of unregistered ASNs:                       815
Number of 32-bit ASNs allocated by the RIRs:                      32895
Number of 32-bit ASNs visible in the Routing Table:               27110
Prefixes from 32-bit ASNs in the Routing Table:                  125271
Number of bogon 32-bit ASNs visible in the Routing Table:            10
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            447
Number of addresses announced to Internet:                   2845089792
    Equivalent to 169 /8s, 148 /16s and 160 /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:               99.5
Total number of prefixes smaller than registry allocations:      272740

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

Prefixes being announced by APNIC Region ASes:                   215275
    Total APNIC prefixes after maximum aggregation:               63096
    APNIC Deaggregation factor:                                    3.41
Prefixes being announced from the APNIC address blocks:          209158
    Unique aggregates announced from the APNIC address blocks:    85948
APNIC Region origin ASes present in the Internet Routing Table:   10784
    APNIC Prefixes per ASN:                                       19.40
APNIC Region origin ASes announcing only one prefix:               3036
APNIC Region transit ASes present in the Internet Routing Table:   1589
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5864
Number of APNIC addresses announced to Internet:              769281664
    Equivalent to 45 /8s, 218 /16s and 78 /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:                    240074
    Total ARIN prefixes after maximum aggregation:               110262
    ARIN Deaggregation factor:                                     2.18
Prefixes being announced from the ARIN address blocks:           237316
    Unique aggregates announced from the ARIN address blocks:    115821
ARIN Region origin ASes present in the Internet Routing Table:    18560
    ARIN Prefixes per ASN:                                        12.79
ARIN Region origin ASes announcing only one prefix:                6788
ARIN Region transit ASes present in the Internet Routing Table:    1908
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:    3359
Number of ARIN addresses announced to Internet:              1082100224
    Equivalent to 64 /8s, 127 /16s and 138 /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:                    226767
    Total RIPE prefixes after maximum aggregation:               107125
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:           223287
    Unique aggregates announced from the RIPE address blocks:    135239
RIPE Region origin ASes present in the Internet Routing Table:    27264
    RIPE Prefixes per ASN:                                         8.19
RIPE Region origin ASes announcing only one prefix:               11798
RIPE Region transit ASes present in the Internet Routing Table:    3840
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9380
Number of RIPE addresses announced to Internet:               709122432
    Equivalent to 42 /8s, 68 /16s and 89 /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
                       196608-213403
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:                  109593
    Total LACNIC prefixes after maximum aggregation:              25226
    LACNIC Deaggregation factor:                                   4.34
Prefixes being announced from the LACNIC address blocks:         110716
    Unique aggregates announced from the LACNIC address blocks:   47099
LACNIC Region origin ASes present in the Internet Routing Table:  10206
    LACNIC Prefixes per ASN:                                      10.85
LACNIC Region origin ASes announcing only one prefix:              2552
LACNIC Region transit ASes present in the Internet Routing Table:  1904
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        38
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  7791
Number of LACNIC addresses announced to Internet:             174641408
    Equivalent to 10 /8s, 104 /16s and 209 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                  23263
    Total AfriNIC prefixes after maximum aggregation:              4768
    AfriNIC Deaggregation factor:                                  4.88
Prefixes being announced from the AfriNIC address blocks:         34863
    Unique aggregates announced from the AfriNIC address blocks:   9306
AfriNIC Region origin ASes present in the Internet Routing Table:  1423
    AfriNIC Prefixes per ASN:                                     24.50
AfriNIC Region origin ASes announcing only one prefix:              502
AfriNIC Region transit ASes present in the Internet Routing Table:  289
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  716
Number of AfriNIC addresses announced to Internet:            109533440
    Equivalent to 6 /8s, 135 /16s and 89 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & 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        5609        751     663  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4737       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3423       1330      21  VIETEL-AS-AP Viettel Group, VN
 45899        3283       1896      51  VNPT-AS-VN VNPT Corp, VN
  7713        2726        829     545  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2536       9043      60  CMNET-GD Guangdong Mobile Communication
  4766        2337      11103     556  KIXS-AS-KR Korea Telecom, KR
  9498        2289        450     226  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2140        441     193  TATACOMM-AS TATA Communications formerl
  9394        2038       4914      18  CTTNET China TieTong Telecommunications

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
 11492        4485        301     645  CABLEONE, US
 16509        4103       8173    1866  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3613       2979     171  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3360       1323      84  SHAW, CA
 16625        3131       1659    2250  AKAMAI-AS, US
   209        2440       5073     521  CENTURYLINK-US-LEGACY-QWEST, US
 26484        2439        153     328  IKGUL-26484, US
 30036        2437        365     134  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        2308       2981    1624  FRONTIER-FRTR, 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        5971       1652     135  UNI2-AS, ES
  8551        3204        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        3137       2218    1023  AKAMAI-ASN1, EU
 39891        2880        171      20  ALJAWWALSTC-AS, SA
 12389        2642       2269     822  ROSTELECOM-AS, RU
 34984        2169        354     567  TELLCOM-AS, TR
  9009        2120        220    1153  M247, GB
 13188        1609        100      35  TRIOLAN, UA
 61317        1351        157     598  ASDETUK http://www.heficed.com, GB
 25019        1192        990     109  SAUDINETSTC-AS, SA

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        7336       3306     602  Uninet S.A. de C.V., MX
 10620        3365        530     529  Telmex Colombia S.A., CO
 11830        2579        369      63  Instituto Costarricense de Electricidad
  6503        1702        325     381  Axtel, S.A.B. de C.V., MX
  7303        1508        978     257  Telecom Argentina S.A., AR
 13999        1395        495     379  Mega Cable, S.A. de C.V., MX
 28573        1395       2243     212  CLARO S.A., BR
  6147        1125        379      39  Telefonica del Peru S.A.A., PE
  3816        1122        569     150  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172         958        111      70  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        1490        393      22  LINKdotNET-AS, EG
 36992        1115       1539      76  ETISALAT-MISR, EG
 24835        1073        466      27  RAYA-AS, EG
 36903         917        480      93  MT-MPLS, MA
 29571         628         68      11  ORANGE-COTE-IVOIRE, CI
  6713         552       1863      34  IAM-AS, MA
 15399         490         45      12  WANANCHI-, KE
 37342         482         32       1  MOVITEL, MZ
 36935         444        522      41  Vodafone-, EG
 23889         344        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        7336       3306     602  Uninet S.A. de C.V., MX
 12479        5971       1652     135  UNI2-AS, ES
  7545        5609        751     663  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4737       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4485        301     645  CABLEONE, US
 16509        4103       8173    1866  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3613       2979     171  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3423       1330      21  VIETEL-AS-AP Viettel Group, VN
 10620        3365        530     529  Telmex Colombia S.A., CO

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 12479        5971         5836  UNI2-AS, ES
  7545        5609         4946  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4737         4664  ERX-CERNET-BKB China Education and Research Net
  7155        4034         4002  VIASAT-SP-BACKBONE, US
 11492        4485         3840  CABLEONE, US
 22773        3613         3442  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3423         3402  VIETEL-AS-AP Viettel Group, VN
  6327        3360         3276  SHAW, CA
 45899        3283         3232  VNPT-AS-VN VNPT Corp, VN
  8551        3204         3159  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22357  UNALLOCATED  8.7.108.0/24              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24               174  COGENT-174, US
     62485  UNALLOCATED  8.23.229.0/24             3356  LEVEL3, US
     32985  UNALLOCATED  8.28.31.0/24              3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174, US
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46766  UNALLOCATED  8.44.208.0/24             3356  LEVEL3, US
     40544  UNALLOCATED  12.0.33.0/24              6461  ZAYO-6461, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
27.100.7.0/24        Origin:     56096  UNASSIGNED
                    Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
27.126.156.0/22      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad No. 14, Jala
27.126.156.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad No. 14, Jala
27.126.158.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad No. 14, Jala
41.67.208.0/21       Origin:     15964  CAMNET-AS, CM
                    Transit:     12956  TELEFONICA TELXIUS, ES

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        /8:9        /9:11      /10:38      /11:100     /12:286     
/13:575     /14:1174    /15:1924    /16:13479   /17:8274    /18:14011   
/19:25945   /20:40905   /21:49104   /22:101643  /23:84383   /24:472639  
/25:1287    /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        4995        5971  UNI2-AS, ES
 11492        3553        4485  CABLEONE, US
  6327        3155        3360  SHAW, CA
  7155        3122        4034  VIASAT-SP-BACKBONE, US
 22773        2799        3613  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2663        3204  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  8151        2524        7336  Uninet S.A. de C.V., MX
 39891        2417        2880  ALJAWWALSTC-AS, SA
 30036        2180        2437  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        1994        2308  FRONTIER-FRTR, US

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

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

   1:1601      2:1155      3:32        4:19        5:3404      6:54     
   8:1458      9:1        11:1        12:1775     13:522      14:2290   
  15:72       16:8        17:294      18:85       20:110      23:3836   
  24:2338     25:3        27:2548     31:2159     32:129      34:1      
  35:42       36:982      37:3310     38:1871     39:448      40:127    
  41:3669     42:634      43:2128     44:209      45:14617    46:3691   
  47:318      49:1482     50:1612     51:90       52:1103     54:227    
  55:672      56:6        57:51       58:1773     59:1188     60:778    
  61:2299     62:2135     63:2007     64:5211     65:2328     66:5053   
  67:2880     68:1176     69:4018     70:1402     71:678      72:2898   
  74:2579     75:1453     76:673      77:1946     78:1645     79:2389   
  80:2040     81:1635     82:1307     83:1263     84:1230     85:2638   
  86:565      87:1749     88:933      89:2795     90:350      91:7111   
  92:1552     93:2507     94:2743     95:3244     96:1248     97:337    
  98:923      99:977     100:87      101:997     102:1036    103:24077  
 104:3477    105:401     106:892     107:2073    108:715     109:3694   
 110:1955    111:2045    112:1638    113:1379    114:1518    115:1828   
 116:1795    117:2085    118:2135    119:1709    120:820     121:1052   
 122:2452    123:2023    124:1627    125:2141    128:1379    129:1214   
 130:696     131:1859    132:754     133:306     134:1383    135:298    
 136:628     137:880     138:2249    139:1024    140:707     141:1054   
 142:952     143:1240    144:1106    145:364     146:1371    147:1018   
 148:2118    149:1228    150:766     151:1086    152:1549    153:423    
 154:4548    155:1129    156:3059    157:1116    158:901     159:1966   
 160:1907    161:1056    162:3128    163:884     164:1517    165:1307   
 166:565     167:1632    168:3540    169:596     170:4261    171:788    
 172:1953    173:2609    174:982     175:1056    176:2613    177:4782   
 178:2678    179:1563    180:2277    181:2518    182:3083    183:1160   
 184:2420    185:16655   186:3856    187:3005    188:3287    189:2552   
 190:8874    191:1422    192:10366   193:7587    194:6257    195:4425   
 196:3109    197:2038    198:6119    199:5964    200:7262    201:5214   
 202:10545   203:10239   204:4564    205:3088    206:3188    207:3277   
 208:4050    209:4520    210:4042    211:2026    212:3454    213:3132   
 214:1157    215:62      216:6066    217:2424    218:865     219:611    
 220:2056    221:908     222:999     223:1637   

End of report


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