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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 10 Jul, 2021

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

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

BGP routing table entries examined:                              856890
    Prefixes after maximum aggregation (per Origin AS):          323763
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      411662
Total ASes present in the Internet Routing Table:                 71580
    Prefixes per ASN:                                             11.97
Origin-only ASes present in the Internet Routing Table:           61528
Origin ASes announcing only one prefix:                           25390
Transit ASes present in the Internet Routing Table:               10052
Transit-only ASes present in the Internet Routing Table:            327
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      54
    Max AS path prepend of ASN ( 48366)                              51
Prefixes from unregistered ASNs in the Routing Table:              1121
    Number of instances of unregistered ASNs:                      1127
Number of 32-bit ASNs allocated by the RIRs:                      36586
Number of 32-bit ASNs visible in the Routing Table:               30391
Prefixes from 32-bit ASNs in the Routing Table:                  141715
Number of bogon 32-bit ASNs visible in the Routing Table:            25
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            527
Number of addresses announced to Internet:                   3040396928
    Equivalent to 181 /8s, 56 /16s and 198 /24s
    Percentage of available address space announced:               82.1
    Percentage of allocated address space announced:               82.1
    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:      285265

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

Prefixes being announced by APNIC Region ASes:                   230189
    Total APNIC prefixes after maximum aggregation:               65859
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          225794
    Unique aggregates announced from the APNIC address blocks:    90587
APNIC Region origin ASes present in the Internet Routing Table:   11729
    APNIC Prefixes per ASN:                                       19.25
APNIC Region origin ASes announcing only one prefix:               3325
APNIC Region transit ASes present in the Internet Routing Table:   1669
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   6895
Number of APNIC addresses announced to Internet:              774110464
    Equivalent to 46 /8s, 35 /16s and 253 /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, 131072-147769
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:                    250240
    Total ARIN prefixes after maximum aggregation:               114147
    ARIN Deaggregation factor:                                     2.19
Prefixes being announced from the ARIN address blocks:           250004
    Unique aggregates announced from the ARIN address blocks:    119032
ARIN Region origin ASes present in the Internet Routing Table:    18840
    ARIN Prefixes per ASN:                                        13.27
ARIN Region origin ASes announcing only one prefix:                6844
ARIN Region transit ASes present in the Internet Routing Table:    1948
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3968
Number of ARIN addresses announced to Internet:              1271452928
    Equivalent to 75 /8s, 200 /16s and 213 /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, 393216-401308
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:                    238618
    Total RIPE prefixes after maximum aggregation:               111415
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           234953
    Unique aggregates announced from the RIPE address blocks:    143490
RIPE Region origin ASes present in the Internet Routing Table:    28002
    RIPE Prefixes per ASN:                                         8.39
RIPE Region origin ASes announcing only one prefix:               12035
RIPE Region transit ASes present in the Internet Routing Table:    3906
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          54
Number of RIPE region 32-bit ASNs visible in the Routing Table:   10285
Number of RIPE addresses announced to Internet:               710884736
    Equivalent to 42 /8s, 95 /16s and 61 /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:                  110994
    Total LACNIC prefixes after maximum aggregation:              26505
    LACNIC Deaggregation factor:                                   4.19
Prefixes being announced from the LACNIC address blocks:         112144
    Unique aggregates announced from the LACNIC address blocks:   47139
LACNIC Region origin ASes present in the Internet Routing Table:  10773
    LACNIC Prefixes per ASN:                                      10.41
LACNIC Region origin ASes announcing only one prefix:              2672
LACNIC Region transit ASes present in the Internet Routing Table:  2070
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        29
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8412
Number of LACNIC addresses announced to Internet:             176046848
    Equivalent to 10 /8s, 126 /16s and 67 /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:                  25727
    Total AfriNIC prefixes after maximum aggregation:              5082
    AfriNIC Deaggregation factor:                                  5.06
Prefixes being announced from the AfriNIC address blocks:         33468
    Unique aggregates announced from the AfriNIC address blocks:  10946
AfriNIC Region origin ASes present in the Internet Routing Table:  1491
    AfriNIC Prefixes per ASN:                                     22.45
AfriNIC Region origin ASes announcing only one prefix:              514
AfriNIC Region transit ASes present in the Internet Routing Table:  298
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  831
Number of AfriNIC addresses announced to Internet:            107474944
    Equivalent to 6 /8s, 103 /16s and 240 /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
  9808        7568       9000      57  CMNET-GD Guangdong Mobile Communication
  7545        5801        783     677  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4765       4192      74  ERX-CERNET-BKB China Education and Rese
  7552        3561       1330      20  VIETEL-AS-AP Viettel Group, VN
  7713        3527       1023      56  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        2795       1897      55  VNPT-AS-VN VNPT Corp, VN
  4766        2433      11120     567  KIXS-AS-KR Korea Telecom, KR
  9498        2357        483     246  BBIL-AP BHARTI Airtel Ltd., IN
 45090        2116       1197      73  CNNIC-TENCENT-NET-AP Shenzhen Tencent C
  4755        2115        437     192  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
 16509        5207       9529    2334  AMAZON-02, US
 11492        4824        318     678  CABLEONE, US
  7155        4006        264      32  VIASAT-SP-BACKBONE, US
 22773        3961       3013     263  ASN-CXA-ALL-CCI-22773-RDC, US
 16625        3509       1814    2446  AKAMAI-AS, US
  6327        3360       1317      69  SHAW, CA
 30036        2583        373     122  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2533       5034     472  CENTURYLINK-US-LEGACY-QWEST, US
  5972        2254        451     788  DNIC-ASBLK-05800-06055, US
 20115        2169       2946     493  CHARTER-20115, 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        6736       1721     140  UNI2-AS, ES
 20940        3699       3347     203  AKAMAI-ASN1, NL
 39891        3267        187      22  ALJAWWALSTC-AS, SA
  8551        2987        378      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2913       2283     897  ROSTELECOM-AS, RU
  9009        2456        259    1313  M247, GB
 34984        2215        356     594  TELLCOM-AS, TR
 61317        1628        258     829  ASDETUK www.heficed.com, GB
 13188        1610        100      27  TRIOLAN, UA
 58224        1606        888     558  TCI, IR

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        8561       3447     584  Uninet S.A. de C.V., MX
 10620        3407        525     651  Telmex Colombia S.A., CO
 11830        2510        369      62  Instituto Costarricense de Electricidad
 13999        1778        432     452  Mega Cable, S.A. de C.V., MX
  6503        1484        359     477  Axtel, S.A.B. de C.V., MX
 28573        1426       2286     233  CLARO S.A., BR
  3816        1241        652     152  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1096        369      22  Telefonica del Peru S.A.A., PE
 26615        1083       2351     134  TIM SA, BR
 11664         991        199     444  Techtel LMDS Comunicaciones Interactiva

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        1648        393      22  LINKdotNET-AS, EG
 24835        1419        498      30  RAYA-AS, EG
 36992        1306       1489     267  ETISALAT-MISR, EG
 36903        1183        537     110  MT-MPLS, MA
 29571         711         68      11  ORANGE-COTE-IVOIRE, CI
  6713         613       1863      34  IAM-AS, MA
 36935         533        522      40  Vodafone-, EG
 15399         495         49      26  WANANCHI-, KE
 37342         482         32       1  MOVITEL, MZ
  2018         326        319      74  TENET-1, ZA

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        8561       3447     584  Uninet S.A. de C.V., MX
  9808        7568       9000      57  CMNET-GD Guangdong Mobile Communication
 12479        6736       1721     140  UNI2-AS, ES
  7545        5801        783     677  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        5207       9529    2334  AMAZON-02, US
 11492        4824        318     678  CABLEONE, US
  4538        4765       4192      74  ERX-CERNET-BKB China Education and Rese
  7155        4006        264      32  VIASAT-SP-BACKBONE, US
 22773        3961       3013     263  ASN-CXA-ALL-CCI-22773-RDC, US
 20940        3699       3347     203  AKAMAI-ASN1, NL

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

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

   ASN  No of nets  Net Savings  Description
  9808        7568         7511  CMNET-GD Guangdong Mobile Communication Co.Ltd.
 12479        6736         6596  UNI2-AS, ES
  7545        5801         5124  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4765         4691  ERX-CERNET-BKB China Education and Research Net
 11492        4824         4146  CABLEONE, US
  7155        4006         3974  VIASAT-SP-BACKBONE, US
 22773        3961         3698  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3561         3541  VIETEL-AS-AP Viettel Group, VN
 20940        3699         3496  AKAMAI-ASN1, NL
  7713        3527         3471  TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID

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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
     18604  UNALLOCATED  8.25.204.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174, US
     54338  UNALLOCATED  8.33.241.0/24             6461  ZAYO-6461, US
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     40544  UNALLOCATED  12.0.33.0/24              6461  ZAYO-6461, US
     15132  UNALLOCATED  12.9.150.0/24             1239  SPRINTLINK, US
      3577  UNALLOCATED  12.19.197.0/24             209  CENTURYLINK-US-LEGACY-QWEST,

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
23.141.0.0/24        Origin:    395350  UNASSIGNED
                    Transit:     11426  TWC-11426-CAROLINAS, US
23.162.32.0/24       Origin:     32444  SAFELINK-MV, US
                    Transit:      6939  HURRICANE, US
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

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        /8:17       /9:14      /10:41      /11:102     /12:305     
/13:589     /14:1194    /15:1995    /16:13463   /17:8325    /18:13964   
/19:25414   /20:42340   /21:50360   /22:106937  /23:91501   /24:498927  
/25:1402    /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        5678        6736  UNI2-AS, ES
 11492        3801        4824  CABLEONE, US
  6327        3167        3360  SHAW, CA
  7155        3094        4006  VIASAT-SP-BACKBONE, US
  8151        3075        8561  Uninet S.A. de C.V., MX
 22773        2963        3961  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2803        3267  ALJAWWALSTC-AS, SA
  8551        2452        2987  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2249        2583  MEDIACOM-ENTERPRISE-BUSINESS, US
 11830        1933        2510  Instituto Costarricense de Electricidad y Telec

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

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

   1:1877      2:1140      3:143       4:20        5:3566      6:79     
   7:5         8:1539      9:1        11:164      12:1740     13:365    
  14:2305     15:92       16:17       17:325      18:93       20:122    
  21:1        22:188      23:4832     24:2431     25:2        27:2520   
  29:19       31:2301     32:111      34:1        35:46       36:1589   
  37:3780     38:2161     39:604      40:164      41:3740     42:950    
  43:2083     44:262      45:15234    46:3695     47:351      49:1615   
  50:1810     51:101      52:1237     54:217      55:792      56:9      
  57:52       58:1739     59:1200     60:933      61:2311     62:2321   
  63:1969     64:5388     65:2363     66:5069     67:2895     68:1171   
  69:4075     70:1380     71:681      72:3156     74:2592     75:1490   
  76:697      77:2036     78:1712     79:2317     80:1854     81:1521   
  82:1365     83:1140     84:1261     85:2711     86:703      87:1812   
  88:974      89:3017     90:503      91:7364     92:1800     93:2553   
  94:3124     95:3533     96:1303     97:342      98:977      99:969    
 100:93      101:1017    102:1510    103:26336   104:3834    105:436    
 106:799     107:2242    108:724     109:3861    110:2005    111:3137   
 112:1917    113:1510    114:1449    115:1903    116:1909    117:2354   
 118:2393    119:1913    120:1451    121:1068    122:2517    123:2171   
 124:1585    125:2076    128:1303    129:1298    130:877     131:1983   
 132:751     133:360     134:1631    135:298     136:774     137:940    
 138:2415    139:1213    140:761     141:1201    142:1207    143:1320   
 144:1258    145:327     146:1475    147:1358    148:2192    149:1461   
 150:819     151:1076    152:1585    153:419     154:2884    155:1341   
 156:1627    157:1205    158:943     159:2021    160:2312    161:1220   
 162:3350    163:1010    164:1529    165:1408    166:620     167:1781   
 168:3678    169:699     170:4287    171:790     172:2497    173:2978   
 174:1002    175:1079    176:3174    177:4393    178:2931    179:1914   
 180:2268    181:2619    182:3208    183:2082    184:2417    185:18513  
 186:4086    187:3122    188:3337    189:2869    190:8735    191:1410   
 192:10719   193:8235    194:6702    195:4796    196:2900    197:2147   
 198:6054    199:6022    200:7386    201:5258    202:10577   203:10098  
 204:4666    205:3357    206:3601    207:3425    208:4024    209:4727   
 210:4225    211:2311    212:3719    213:3463    214:1180    215:58     
 216:6299    217:2575    218:1197    219:708     220:2064    221:953    
 222:864     223:1954   

End of report