[menog] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 31 18:03:20 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 01 Aug, 2020

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

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

BGP routing table entries examined:                              815500
    Prefixes after maximum aggregation (per Origin AS):          310868
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      393629
Total ASes present in the Internet Routing Table:                 68860
    Prefixes per ASN:                                             11.84
Origin-only ASes present in the Internet Routing Table:           59159
Origin ASes announcing only one prefix:                           24650
Transit ASes present in the Internet Routing Table:                9701
Transit-only ASes present in the Internet Routing Table:            296
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      43
    Max AS path prepend of ASN ( 22394)                              38
Prefixes from unregistered ASNs in the Routing Table:               841
    Number of instances of unregistered ASNs:                       843
Number of 32-bit ASNs allocated by the RIRs:                      32767
Number of 32-bit ASNs visible in the Routing Table:               27036
Prefixes from 32-bit ASNs in the Routing Table:                  125338
Number of bogon 32-bit ASNs visible in the Routing Table:            12
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            509
Number of addresses announced to Internet:                   2844968704
    Equivalent to 169 /8s, 146 /16s and 199 /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:      272678

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

Prefixes being announced by APNIC Region ASes:                   215010
    Total APNIC prefixes after maximum aggregation:               63028
    APNIC Deaggregation factor:                                    3.41
Prefixes being announced from the APNIC address blocks:          208850
    Unique aggregates announced from the APNIC address blocks:    86203
APNIC Region origin ASes present in the Internet Routing Table:   10782
    APNIC Prefixes per ASN:                                       19.37
APNIC Region origin ASes announcing only one prefix:               3028
APNIC Region transit ASes present in the Internet Routing Table:   1598
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5863
Number of APNIC addresses announced to Internet:              768642944
    Equivalent to 45 /8s, 208 /16s and 143 /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:                    239738
    Total ARIN prefixes after maximum aggregation:               110208
    ARIN Deaggregation factor:                                     2.18
Prefixes being announced from the ARIN address blocks:           236987
    Unique aggregates announced from the ARIN address blocks:    115687
ARIN Region origin ASes present in the Internet Routing Table:    18557
    ARIN Prefixes per ASN:                                        12.77
ARIN Region origin ASes announcing only one prefix:                6790
ARIN Region transit ASes present in the Internet Routing Table:    1910
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:    3342
Number of ARIN addresses announced to Internet:              1082343936
    Equivalent to 64 /8s, 131 /16s and 66 /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:                    227115
    Total RIPE prefixes after maximum aggregation:               107041
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:           223598
    Unique aggregates announced from the RIPE address blocks:    134935
RIPE Region origin ASes present in the Internet Routing Table:    27262
    RIPE Prefixes per ASN:                                         8.20
RIPE Region origin ASes announcing only one prefix:               11798
RIPE Region transit ASes present in the Internet Routing Table:    3832
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9361
Number of RIPE addresses announced to Internet:               709394560
    Equivalent to 42 /8s, 72 /16s and 128 /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:                  109432
    Total LACNIC prefixes after maximum aggregation:              25164
    LACNIC Deaggregation factor:                                   4.35
Prefixes being announced from the LACNIC address blocks:         110589
    Unique aggregates announced from the LACNIC address blocks:   47043
LACNIC Region origin ASes present in the Internet Routing Table:  10173
    LACNIC Prefixes per ASN:                                      10.87
LACNIC Region origin ASes announcing only one prefix:              2540
LACNIC Region transit ASes present in the Internet Routing Table:  1920
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        43
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  7757
Number of LACNIC addresses announced to Internet:             174617344
    Equivalent to 10 /8s, 104 /16s and 115 /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:                  23363
    Total AfriNIC prefixes after maximum aggregation:              4766
    AfriNIC Deaggregation factor:                                  4.90
Prefixes being announced from the AfriNIC address blocks:         34967
    Unique aggregates announced from the AfriNIC address blocks:   9343
AfriNIC Region origin ASes present in the Internet Routing Table:  1422
    AfriNIC Prefixes per ASN:                                     24.59
AfriNIC Region origin ASes announcing only one prefix:              494
AfriNIC Region transit ASes present in the Internet Routing Table:  286
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  713
Number of AfriNIC addresses announced to Internet:            109538048
    Equivalent to 6 /8s, 135 /16s and 107 /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        5554        749     658  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4739       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3425       1330      21  VIETEL-AS-AP Viettel Group, VN
 45899        3165       1836     108  VNPT-AS-VN VNPT Corp, VN
  7713        2724        828     549  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808        2535       9043      60  CMNET-GD Guangdong Mobile Communication
  4766        2305      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        2039       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        4501        302     629  CABLEONE, US
 16509        4065       8166    1839  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3611       2979     171  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3348       1323      84  SHAW, CA
 16625        3118       1652    2243  AKAMAI-AS, US
 26484        2438        152     327  IKGUL-26484, US
   209        2437       5073     520  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2429        364     160  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        2307       2981    1623  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        5962       1652     135  UNI2-AS, ES
  8551        3236        379      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        3108       2220    1024  AKAMAI-ASN1, EU
 39891        2880        171      20  ALJAWWALSTC-AS, SA
 12389        2575       2264     770  ROSTELECOM-AS, RU
 34984        2169        354     567  TELLCOM-AS, TR
  9009        2111        217    1143  M247, GB
 13188        1609        100      35  TRIOLAN, UA
 61317        1356        157     597  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        7308       3306     604  Uninet S.A. de C.V., MX
 10620        3364        530     528  Telmex Colombia S.A., CO
 11830        2581        369      63  Instituto Costarricense de Electricidad
  6503        1702        325     381  Axtel, S.A.B. de C.V., MX
  7303        1492        962     255  Telecom Argentina S.A., AR
 28573        1410       2243     212  CLARO S.A., BR
 13999        1408        497     372  Mega Cable, S.A. de C.V., MX
  6147        1128        379      39  Telefonica del Peru S.A.A., PE
  3816        1121        569     149  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172         957        111      69  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        1493        393      22  LINKdotNET-AS, EG
 24835        1122        474      23  RAYA-AS, EG
 36992        1116       1539      76  ETISALAT-MISR, EG
 36903         917        480      93  MT-MPLS, MA
 29571         628         68      11  ORANGE-COTE-IVOIRE, CI
  6713         552       1863      34  IAM-AS, MA
 15399         492         45      12  WANANCHI-, KE
 37342         482         32       1  MOVITEL, MZ
 36935         461        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        7308       3306     604  Uninet S.A. de C.V., MX
 12479        5962       1652     135  UNI2-AS, ES
  7545        5554        749     658  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4739       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4501        302     629  CABLEONE, US
 16509        4065       8166    1839  AMAZON-02, US
  7155        4034        264      32  VIASAT-SP-BACKBONE, US
 22773        3611       2979     171  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3425       1330      21  VIETEL-AS-AP Viettel Group, VN
 10620        3364        530     528  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        5962         5827  UNI2-AS, ES
  7545        5554         4896  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4739         4666  ERX-CERNET-BKB China Education and Research Net
  7155        4034         4002  VIASAT-SP-BACKBONE, US
 11492        4501         3872  CABLEONE, US
 22773        3611         3440  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3425         3404  VIETEL-AS-AP Viettel Group, VN
  6327        3348         3264  SHAW, CA
  8551        3236         3191  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 45899        3165         3057  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  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    /15:1921    /16:13369   /17:8273    /18:14031   
/19:25900   /20:40931   /21:49142   /22:101651  /23:84266   /24:472538  
/25:1285    /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        4983        5962  UNI2-AS, ES
 11492        3553        4501  CABLEONE, US
  6327        3143        3348  SHAW, CA
  7155        3122        4034  VIASAT-SP-BACKBONE, US
 22773        2797        3611  ASN-CXA-ALL-CCI-22773-RDC, US
  8551        2695        3236  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  8151        2497        7308  Uninet S.A. de C.V., MX
 39891        2417        2880  ALJAWWALSTC-AS, SA
 30036        2173        2429  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        1993        2307  FRONTIER-FRTR, US

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

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

   1:1602      2:1159      3:31        4:19        5:3407      6:52     
   8:1460      9:1        11:1        12:1787     13:519      14:2288   
  15:72       16:8        17:293      18:83       20:109      23:3810   
  24:2320     25:3        27:2547     31:2179     32:128      34:1      
  35:41       36:986      37:3318     38:1878     39:444      40:127    
  41:3683     42:620      43:2130     44:207      45:14655    46:3726   
  47:318      49:1481     50:1596     51:90       52:1104     54:228    
  55:683      56:6        57:51       58:1773     59:1187     60:776    
  61:2310     62:2130     63:1994     64:5209     65:2342     66:5045   
  67:2879     68:1175     69:4015     70:1397     71:678      72:2886   
  74:2576     75:1453     76:659      77:1937     78:1646     79:2419   
  80:2050     81:1633     82:1329     83:1263     84:1230     85:2628   
  86:550      87:1742     88:935      89:2807     90:349      91:7121   
  92:1551     93:2507     94:2751     95:3253     96:1231     97:338    
  98:922      99:977     100:86      101:996     102:1023    103:24064  
 104:3489    105:401     106:887     107:2064    108:713     109:3714   
 110:1941    111:2047    112:1639    113:1383    114:1521    115:1830   
 116:1796    117:2086    118:2132    119:1717    120:835     121:1044   
 122:2448    123:2009    124:1632    125:2124    128:1391    129:1212   
 130:688     131:1879    132:768     133:306     134:1383    135:299    
 136:624     137:854     138:2246    139:1020    140:705     141:1057   
 142:940     143:1237    144:1104    145:368     146:1374    147:1020   
 148:2107    149:1233    150:766     151:1084    152:1500    153:420    
 154:4556    155:1122    156:3064    157:1119    158:866     159:1969   
 160:1926    161:1057    162:3129    163:872     164:1517    165:1302   
 166:564     167:1636    168:3543    169:598     170:4272    171:786    
 172:1955    173:2596    174:981     175:1055    176:2602    177:4720   
 178:2690    179:1558    180:2274    181:2532    182:3105    183:1158   
 184:2421    185:16660   186:3867    187:2926    188:3299    189:2567   
 190:8858    191:1384    192:10396   193:7590    194:6251    195:4419   
 196:3174    197:2038    198:6130    199:5966    200:7256    201:5219   
 202:10555   203:10258   204:4565    205:3084    206:3181    207:3275   
 208:4046    209:4527    210:4032    211:2024    212:3436    213:3146   
 214:1155    215:62      216:6074    217:2423    218:858     219:612    
 220:2046    221:915     222:1004    223:1605   

End of report


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