[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (Global) view

REN Routing Table Report cscora at frr.nsrc.org
Thu Jan 20 21:13:11 UTC 2022


IPv4 R&E Routing Table Report   21:10 GMT Thu 20 Jan, 2022

  BGP Table (Global) as seen at AARNET (Brisbane).

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AARNET/

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

BGP routing table entries examined:                              887317
    Prefixes after maximum aggregation (per Origin AS):          333274
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      425860
    Number of IPv4 prefixes with a valid ROA:                    305285
    Number of IPv4 prefixes with an invalid ROA:                   2685
    Number of IPv4 prefixes with no ROA:                         579347
Total ASes present in the Internet Routing Table:                 72654
    Prefixes per ASN:                                             12.21
Origin-only ASes present in the Internet Routing Table:           62358
Origin ASes announcing only one prefix:                           25664
Transit ASes present in the Internet Routing Table:               10296
Transit-only ASes present in the Internet Routing Table:            388
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                     251
    Max AS path prepend of ASN ( 21299)                             245
Prefixes from unregistered ASNs in the Routing Table:               920
    Number of instances of unregistered ASNs:                       924
Number of 32-bit ASNs allocated by the RIRs:                      38333
Number of 32-bit ASNs visible in the Routing Table:               31915
Prefixes from 32-bit ASNs in the Routing Table:                  148666
Number of bogon 32-bit ASNs visible in the Routing Table:            43
Special use prefixes present in the Routing Table:                    4
Prefixes being announced from unallocated address space:            567
Number of addresses announced to Internet:                   3072415232
    Equivalent to 183 /8s, 33 /16s and 86 /24s
    Percentage of available address space announced:               83.0
    Percentage of allocated address space announced:               83.0
    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:      299431

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

Prefixes being announced by APNIC Region ASes:                   233968
    Total APNIC prefixes after maximum aggregation:               65236
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          228808
    Unique aggregates announced from the APNIC address blocks:    93686
APNIC Region origin ASes present in the Internet Routing Table:   12268
    APNIC Prefixes per ASN:                                       18.65
APNIC Region origin ASes announcing only one prefix:               3487
APNIC Region transit ASes present in the Internet Routing Table:   1726
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   7476
Number of APNIC addresses announced to Internet:              773276672
    Equivalent to 46 /8s, 23 /16s and 68 /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, 131072-151865
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:                    257666
    Total ARIN prefixes after maximum aggregation:               118583
    ARIN Deaggregation factor:                                     2.17
Prefixes being announced from the ARIN address blocks:           257632
    Unique aggregates announced from the ARIN address blocks:    122855
ARIN Region origin ASes present in the Internet Routing Table:    18931
    ARIN Prefixes per ASN:                                        13.61
ARIN Region origin ASes announcing only one prefix:                6848
ARIN Region transit ASes present in the Internet Routing Table:    1924
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                         251
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4298
Number of ARIN addresses announced to Internet:              1300656896
    Equivalent to 77 /8s, 134 /16s and 115 /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:                    252945
    Total RIPE prefixes after maximum aggregation:               116141
    RIPE Deaggregation factor:                                     2.18
Prefixes being announced from the RIPE address blocks:           249319
    Unique aggregates announced from the RIPE address blocks:    148537
RIPE Region origin ASes present in the Internet Routing Table:    28172
    RIPE Prefixes per ASN:                                         8.85
RIPE Region origin ASes announcing only one prefix:               12115
RIPE Region transit ASes present in the Internet Routing Table:    3940
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   10621
Number of RIPE addresses announced to Internet:               713714688
    Equivalent to 42 /8s, 138 /16s and 108 /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:                  114351
    Total LACNIC prefixes after maximum aggregation:              27274
    LACNIC Deaggregation factor:                                   4.19
Prefixes being announced from the LACNIC address blocks:         115110
    Unique aggregates announced from the LACNIC address blocks:   48441
LACNIC Region origin ASes present in the Internet Routing Table:  10919
    LACNIC Prefixes per ASN:                                      10.54
LACNIC Region origin ASes announcing only one prefix:              2671
LACNIC Region transit ASes present in the Internet Routing Table:  2205
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8607
Number of LACNIC addresses announced to Internet:             176228864
    Equivalent to 10 /8s, 129 /16s and 10 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  27467
    Total AfriNIC prefixes after maximum aggregation:              5351
    AfriNIC Deaggregation factor:                                  5.13
Prefixes being announced from the AfriNIC address blocks:         35880
    Unique aggregates announced from the AfriNIC address blocks:  11835
AfriNIC Region origin ASes present in the Internet Routing Table:  1579
    AfriNIC Prefixes per ASN:                                     22.72
AfriNIC Region origin ASes announcing only one prefix:              543
AfriNIC Region transit ASes present in the Internet Routing Table:  317
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  913
Number of AfriNIC addresses announced to Internet:            108180736
    Equivalent to 6 /8s, 114 /16s and 181 /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        8919       8913      41  CHINAMOBILE-CN China Mobile Communicati
  7545        5841        786     675  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4654       4192      73  ERX-CERNET-BKB China Education and Rese
  7552        3610       1330      19  VIETEL-AS-AP Viettel Group, VN
  7713        3490       1038      51  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3427       1880      57  VNPT-AS-VN VNPT Corp, VN
  4766        2268      11119     587  KIXS-AS-KR Korea Telecom, KR
  9498        2252        475     232  BBIL-AP BHARTI Airtel Ltd., IN
 45090        2185       1438      79  TENCENT-NET-AP Shenzhen Tencent Compute
  4755        2120        429     199  TATACOMM-AS TATA Communications formerl

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        6104      10135    2622  AMAZON-02, US
 11492        4600        305     763  CABLEONE, US
 22773        3995       3054     375  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3951        264      30  VIASAT-SP-BACKBONE, US
 16625        3669       1893    2565  AKAMAI-AS, US
  6327        3345       1318      62  SHAW, CA
   749        2888      50784    2144  DNIC-AS-00749, US
 30036        2608        374     135  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2505       4978     428  CENTURYLINK-US-LEGACY-QWEST, US
 20115        2248       3035     508  CHARTER-20115, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  9121        6936       1692      17  TTNET, TR
 12479        6821       1718     153  UNI2-AS, ES
 20940        3877       3194     541  AKAMAI-ASN1, NL
  8551        3777        378      39  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 39891        3274        188      25  ALJAWWALSTC-AS, SA
 12389        2925       2286     903  ROSTELECOM-AS, RU
  9009        2505        258    1308  M247, GB
 34984        2216        357     602  TELLCOM-AS, TR
 58224        1781        926     588  TCI, IR
 47331        1764        278    1335  TTNET, TR

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       10664       3408     574  Uninet S.A. de C.V., MX
 10620        3443        519     715  Telmex Colombia S.A., CO
 11830        2462        369      62  Instituto Costarricense de Electricidad
 13999        1643        283     465  Mega Cable, S.A. de C.V., MX
  6503        1441        355     525  Axtel, S.A.B. de C.V., MX
 28573        1380       2326     254  CLARO S.A., BR
  3816        1245        658     146  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 26615        1147       2350     139  TIM SA, BR
  6147        1092        369      21  Telefonica del Peru S.A.A., PE
 11664         998        191     445  Techtel LMDS Comunicaciones Interactiva

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863        1638        393      21  LINKdotNET-AS, EG
 24835        1546        515      32  RAYA-AS, EG
 36992        1299       1518     262  ETISALAT-MISR, EG
 36903        1195        543     114  MT-MPLS, MA
 29571         875         63      60  ORANGE-COTE-IVOIRE, CI
 36935         716        521      39  Vodafone-, EG
  6713         612       1863      34  IAM-AS, MA
 15399         519         50      33  WANANCHI-, KE
 37342         468         32       1  MOVITEL, MZ
 23889         428        232      16  MauritiusTelecom, MU

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       10664       3408     574  Uninet S.A. de C.V., MX
  9808        8919       8913      41  CHINAMOBILE-CN China Mobile Communicati
  9121        6936       1692      17  TTNET, TR
 12479        6821       1718     153  UNI2-AS, ES
 16509        6104      10135    2622  AMAZON-02, US
  7545        5841        786     675  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4654       4192      73  ERX-CERNET-BKB China Education and Rese
 11492        4600        305     763  CABLEONE, US
 22773        3995       3054     375  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3951        264      30  VIASAT-SP-BACKBONE, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        8919         8878  CHINAMOBILE-CN China Mobile Communications Grou
  9121        6936         6919  TTNET, TR
 12479        6821         6668  UNI2-AS, ES
  7545        5841         5166  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4654         4581  ERX-CERNET-BKB China Education and Research Net
  7155        3951         3921  VIASAT-SP-BACKBONE, US
 11492        4600         3837  CABLEONE, US
  8551        3777         3738  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        3995         3620  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3610         3591  VIETEL-AS-AP Viettel Group, VN

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46990  UNALLOCATED  8.5.242.0/23              3356  LEVEL3, US
     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
     32848  UNALLOCATED  8.28.72.0/24              3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             6461  ZAYO-6461, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
    395056  UNALLOCATED  8.45.133.0/24             3356  LEVEL3, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.64.3.0/24             48276  LEVEL-AS, RU
192.88.99.0/24             6939  HURRICANE, US
198.19.224.0/24           56207  CONVERGE Converge ICT, PH
198.19.226.0/24           56207  CONVERGE Converge ICT, PH

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar

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

Unassigned Network     ASN Information  AS Name
23.141.0.0/24        Origin:    395350  UNASSIGNED
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.154.18.0/24       Origin:    394625  WHITELABELIT, US
23.154.18.0/24      Transit:      1299  TWELVE99 Twelve99, Telia Carrier, SE
23.252.160.0/24      Origin:    398968  GROUP-IID-01, US
23.252.160.0/24     Transit:       174  COGENT-174, US
23.252.161.0/24      Origin:    398968  GROUP-IID-01, US
23.252.161.0/24     Transit:       174  COGENT-174, US
23.252.162.0/24      Origin:    398968  GROUP-IID-01, US
23.252.162.0/24     Transit:       174  COGENT-174, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:13      /10:41      /11:100     /12:305     
/13:591     /14:1204    /15:2067    /16:13585   /17:8327    /18:13876   
/19:25128   /20:43369   /21:52142   /22:108343  /23:95473   /24:522736  
/25:0       /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
  9121        6071        6936  TTNET, TR
 12479        5772        6821  UNI2-AS, ES
  8151        4506       10664  Uninet S.A. de C.V., MX
 11492        3534        4600  CABLEONE, US
  8551        3241        3777  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  6327        3157        3345  SHAW, CA
  7155        3041        3951  VIASAT-SP-BACKBONE, US
 22773        2977        3995  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2810        3274  ALJAWWALSTC-AS, SA
 30036        2263        2608  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos

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

   1:1891      2:989       3:153       4:7         5:3713      6:102    
   7:5         8:1521      9:1        11:172      12:1706     13:402    
  14:2356     15:147      16:39       17:374      18:128      20:167    
  21:4        22:188      23:5397     24:2370     25:4        27:2672   
  29:19       31:2403     32:101      34:1        35:50       36:1732   
  37:3936     38:2500     39:736      40:150      41:3896     42:1063   
  43:2120     44:296      45:16024    46:3848     47:305      49:1614   
  50:1905     51:105      52:1345     54:294      55:734      56:8      
  57:56       58:1814     59:1118     60:955      61:2273     62:2422   
  63:1939     64:5388     65:2322     66:4923     67:2944     68:1183   
  69:4170     70:1347     71:682      72:3071     74:2637     75:1514   
  76:714      77:2159     78:3813     79:2873     80:1916     81:1660   
  82:1444     83:1204     84:1328     85:3571     86:707      87:1891   
  88:2622     89:3144     90:502      91:7524     92:1901     93:2586   
  94:3256     95:4495     96:1308     97:345      98:993      99:864    
 100:76      101:1065    102:1919    103:28176   104:4116    105:459    
 106:844     107:2427    108:752     109:4190    110:2052    111:3145   
 112:1960    113:1489    114:1533    115:2139    116:1875    117:2511   
 118:2331    119:1890    120:1634    121:1059    122:2524    123:2149   
 124:1532    125:2083    128:1381    129:1149    130:921     131:2090   
 132:787     133:368     134:1933    135:286     136:854     137:1002   
 138:2481    139:1225    140:870     141:1342    142:1250    143:1434   
 144:1233    145:336     146:1762    147:1477    148:2238    149:1665   
 150:863     151:1083    152:1804    153:523     154:3628    155:1365   
 156:1843    157:1207    158:1006    159:2023    160:2383    161:1270   
 162:3421    163:1210    164:1672    165:1547    166:621     167:1716   
 168:3663    169:694     170:4301    171:822     172:2987    173:3041   
 174:1016    175:1143    176:3474    177:4569    178:3020    179:2005   
 180:2358    181:2871    182:3179    183:1935    184:2415    185:19222  
 186:4324    187:3534    188:3785    189:3222    190:8980    191:1306   
 192:11002   193:8514    194:6953    195:4974    196:2920    197:2364   
 198:5975    199:5988    200:7469    201:5725    202:10483   203:10226  
 204:4531    205:3376    206:3808    207:3378    208:3999    209:4591   
 210:4270    211:2455    212:3932    213:3382    214:1150    215:64     
 216:6402    217:2627    218:1223    219:554     220:2055    221:990    
 222:881     223:2139   

End of report


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