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

REN Routing Table Report cscora at frr.nsrc.org
Tue Mar 15 21:13:01 UTC 2022


IPv4 R&E Routing Table Report   21:10 GMT Tue 15 Mar, 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:                              877569
    Prefixes after maximum aggregation (per Origin AS):          237777
    Deaggregation factor:                                          3.69
    Unique aggregates announced (without unneeded subnets):      202800
Total ASes present in the Internet Routing Table:                 72359
    Prefixes per ASN:                                             12.13
Origin-only ASes present in the Internet Routing Table:           62095
Origin ASes announcing only one prefix:                           25553
Transit ASes present in the Internet Routing Table:               10264
Transit-only ASes present in the Internet Routing Table:            394
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:               915
    Number of instances of unregistered ASNs:                       919
Number of 32-bit ASNs allocated by the RIRs:                      38793
Number of 32-bit ASNs visible in the Routing Table:               32017
Prefixes from 32-bit ASNs in the Routing Table:                  149489
Number of bogon 32-bit ASNs visible in the Routing Table:            44
Special use prefixes present in the Routing Table:                37067
Prefixes being announced from unallocated address space:            929
Number of addresses announced to Internet:                   1273490688
    Equivalent to 75 /8s, 231 /16s and 237 /24s
    Percentage of available address space announced:               34.4
    Percentage of allocated address space announced:               34.4
    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:      349098

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

Prefixes being announced by APNIC Region ASes:                   231906
    Total APNIC prefixes after maximum aggregation:               40752
    APNIC Deaggregation factor:                                    5.69
Prefixes being announced from the APNIC address blocks:           84989
    Unique aggregates announced from the APNIC address blocks:    14506
APNIC Region origin ASes present in the Internet Routing Table:   12443
    APNIC Prefixes per ASN:                                        6.83
APNIC Region origin ASes announcing only one prefix:               3540
APNIC Region transit ASes present in the Internet Routing Table:   1719
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:   7669
Number of APNIC addresses announced to Internet:              137099776
    Equivalent to 8 /8s, 43 /16s and 250 /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:                    257747
    Total ARIN prefixes after maximum aggregation:                81512
    ARIN Deaggregation factor:                                     3.16
Prefixes being announced from the ARIN address blocks:           461811
    Unique aggregates announced from the ARIN address blocks:     75199
ARIN Region origin ASes present in the Internet Routing Table:    18805
    ARIN Prefixes per ASN:                                        24.56
ARIN Region origin ASes announcing only one prefix:                6877
ARIN Region transit ASes present in the Internet Routing Table:    1939
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4318
Number of ARIN addresses announced to Internet:               686317056
    Equivalent to 40 /8s, 232 /16s and 94 /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:                    245154
    Total RIPE prefixes after maximum aggregation:                87480
    RIPE Deaggregation factor:                                     2.80
Prefixes being announced from the RIPE address blocks:           290114
    Unique aggregates announced from the RIPE address blocks:    110372
RIPE Region origin ASes present in the Internet Routing Table:    27799
    RIPE Prefixes per ASN:                                        10.44
RIPE Region origin ASes announcing only one prefix:               11936
RIPE Region transit ASes present in the Internet Routing Table:    3919
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                         251
Number of RIPE region 32-bit ASNs visible in the Routing Table:   10463
Number of RIPE addresses announced to Internet:               414764288
    Equivalent to 24 /8s, 184 /16s and 205 /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:                  114331
    Total LACNIC prefixes after maximum aggregation:              22340
    LACNIC Deaggregation factor:                                   5.12
Prefixes being announced from the LACNIC address blocks:            109
    Unique aggregates announced from the LACNIC address blocks:      55
LACNIC Region origin ASes present in the Internet Routing Table:  10929
    LACNIC Prefixes per ASN:                                       0.01
LACNIC Region origin ASes announcing only one prefix:              2641
LACNIC Region transit ASes present in the Internet Routing Table:  2203
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:  8624
Number of LACNIC addresses announced to Internet:               1095680
    Equivalent to 0 /8s, 16 /16s and 184 /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:                  27516
    Total AfriNIC prefixes after maximum aggregation:              5111
    AfriNIC Deaggregation factor:                                  5.38
Prefixes being announced from the AfriNIC address blocks:          2550
    Unique aggregates announced from the AfriNIC address blocks:   1488
AfriNIC Region origin ASes present in the Internet Routing Table:  1609
    AfriNIC Prefixes per ASN:                                      1.58
AfriNIC Region origin ASes announcing only one prefix:              559
AfriNIC Region transit ASes present in the Internet Routing Table:  324
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       35
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  943
Number of AfriNIC addresses announced to Internet:             16449536
    Equivalent to 0 /8s, 251 /16s and 0 /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        9098       7408      18  CHINAMOBILE-CN China Mobile Communicati
  7545        5881        447     151  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4647       1394      38  ERX-CERNET-BKB China Education and Rese
  7552        3603       1321      10  VIETEL-AS-AP Viettel Group, VN
  7713        3497        986      34  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3434       1777      12  VNPT-AS-VN VNPT Corp, VN
  9498        2385        410     202  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2276       6939     198  KIXS-AS-KR Korea Telecom, KR
 45090        2120       1047      61  TENCENT-NET-AP Shenzhen Tencent Compute
  4755        2107        328     123  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        6202       3130    1256  AMAZON-02, US
 11492        4401        229     619  CABLEONE, US
 22773        3948       1447     248  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3895        167      20  VIASAT-SP-BACKBONE, US
 16625        3491       1072    1568  AKAMAI-AS, US
  6327        3402        757      37  SHAW, CA
   749        2707      27373    1909  DNIC-AS-00749, US
 30036        2612        277     125  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2517        992     168  CENTURYLINK-US-LEGACY-QWEST, US
 20115        2257       1816     312  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        6891       1059       8  TTNET, TR
 12479        6837        256      65  UNI2-AS, ES
  8551        4013        137      18  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940        3607       1997     113  AKAMAI-ASN1, NL
 39891        3296         61      16  ALJAWWALSTC-AS, SA
 12389        2725        885     187  ROSTELECOM-AS, RU
  6849        2704        133       8  UKRTELNET, UA
  9009        2409        135     687  M247, GB
 34984        2195        214     264  TELLCOM-AS, TR
 13188        1590         98      84  TRIOLAN, UA

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       10467       2716     313  Uninet S.A. de C.V., MX
 10620        3467        495     670  Telmex Colombia S.A., CO
 11830        2431         71      56  Instituto Costarricense de Electricidad
 13999        1707        253     371  Mega Cable, S.A. de C.V., MX
  6503        1442        283     367  Axtel, S.A.B. de C.V., MX
 28573        1386       2157     227  CLARO S.A., BR
  3816        1254        629     131  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 26615        1100       2342      99  TIM SA, BR
  6147        1090        257       5  Telefonica del Peru S.A.A., PE
 11664        1008        185     392  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        1583        373      17  LINKdotNET-AS, EG
 24835        1509        375      27  RAYA-AS, EG
 36992        1300       1340     159  ETISALAT-MISR, EG
 36903        1199        545     114  MT-MPLS, MA
 29571         909         62      61  ORANGE-COTE-IVOIRE, CI
  6713         612       1583      30  IAM-AS, MA
 36935         562        520      36  Vodafone-, EG
 15399         516         51      34  WANANCHI-, KE
 37342         469         32       1  MOVITEL, MZ
 23889         422        230      14  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       10467       2716     313  Uninet S.A. de C.V., MX
  9808        9098       7408      18  CHINAMOBILE-CN China Mobile Communicati
  9121        6891       1059       8  TTNET, TR
 12479        6837        256      65  UNI2-AS, ES
 16509        6202       3130    1256  AMAZON-02, US
  7545        5881        447     151  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4647       1394      38  ERX-CERNET-BKB China Education and Rese
 11492        4401        229     619  CABLEONE, US
  8551        4013        137      18  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 22773        3948       1447     248  ASN-CXA-ALL-CCI-22773-RDC, 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        9098         9080  CHINAMOBILE-CN China Mobile Communications Grou
  9121        6891         6883  TTNET, TR
 12479        6837         6772  UNI2-AS, ES
  7545        5881         5730  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        6202         4946  AMAZON-02, US
  4538        4647         4609  ERX-CERNET-BKB China Education and Research Net
  8551        4013         3995  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7155        3895         3875  VIASAT-SP-BACKBONE, US
 11492        4401         3782  CABLEONE, US
 22773        3948         3700  ASN-CXA-ALL-CCI-22773-RDC, US

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
     17033  UNALLOCATED  2.3.33.0/24               1239  SPRINTLINK, US
    395281  UNALLOCATED  2.4.40.0/23               7018  ATT-INTERNET4, US
    395281  UNALLOCATED  2.4.42.0/23               7018  ATT-INTERNET4, US
     15132  UNALLOCATED  2.9.150.0/24              1239  SPRINTLINK, US
      3577  UNALLOCATED  2.19.197.0/24             7018  ATT-INTERNET4, US
     26341  UNALLOCATED  2.33.109.0/24             7018  ATT-INTERNET4, US
     21861  UNALLOCATED  2.37.59.0/24              7018  ATT-INTERNET4, US
     33684  UNALLOCATED  2.37.144.0/24             6461  ZAYO-6461, US
     13317  UNALLOCATED  2.44.10.0/24              7018  ATT-INTERNET4, US
     63305  UNALLOCATED  2.49.58.0/24              7018  ATT-INTERNET4, US

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

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

Prefix                Origin AS  Description
0.0.0.0/11                 8075  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.32.176.0/20             50207  ASN-CSC-, NL
0.33.0.0/16                8075  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.34.0.0/15                8070  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.36.0.0/14                8075  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.39.58.0/23               8069  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.40.0.0/13                8075  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.47.1.0/24                8069  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.47.2.0/24                8069  MICROSOFT-CORP-MSN-AS-BLOCK, US
0.47.3.0/24                8069  MICROSOFT-CORP-MSN-AS-BLOCK, US

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

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

Unassigned Network     ASN Information  AS Name
5.42.192.0/22        Origin:    395768  ITERATEL-1123, CA
5.42.192.0/22       Transit:      6939  HURRICANE, US
5.42.197.0/24        Origin:    399502  VALUEHOSTED-, US
5.42.197.0/24       Transit:     36352  AS-COLOCROSSING, US
5.42.198.0/24        Origin:    399577  SUREFIRE, US
5.42.198.0/24       Transit:     15164  UPNLLC, US
5.42.200.0/24        Origin:     40676  AS40676, US
5.42.200.0/24       Transit:       575  DNIC-AS-00575, US
5.42.201.0/24        Origin:     40676  AS40676, US
5.42.201.0/24       Transit:      2914  NTT-LTD-2914, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/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        /8:15       /9:11      /10:39      /11:95      /12:276     
/13:555     /14:1153    /15:2027    /16:13377   /17:8138    /18:13572   
/19:24811   /20:42650   /21:51209   /22:106070  /23:94011   /24:519560  
/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
 12479        3973        6837  UNI2-AS, ES
  8151        3852       10467  Uninet S.A. de C.V., MX
 10620        3370        3467  Telmex Colombia S.A., CO
  7155        3223        3895  VIASAT-SP-BACKBONE, US
 16509        2406        6202  AMAZON-02, US
 30036        2074        2612  MEDIACOM-ENTERPRISE-BUSINESS, US
 22773        1920        3948  ASN-CXA-ALL-CCI-22773-RDC, US
  9121        1803        6891  TTNET, TR
  7545        1623        5881  TPG-INTERNET-AP TPG Telecom Limited, AU
  6327        1577        3402  SHAW, CA

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

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

   1:25579     2:26009     3:52697     4:27188     5:32733     6:18082  
   7:21098     8:17394     9:23768    10:6368     11:5673     12:5993   
  13:4882     14:2653     15:2206     16:8340     17:5153     18:3580   
  19:2477     20:3669     21:2077     22:3391     23:4291     24:1561   
  25:2125     28:1195     29:1224     30:918      31:2076     32:791    
  33:373      34:1929     35:289      36:880      37:1017     38:2442   
  39:1282     40:1138     41:1373     42:1279     43:1481     44:1236   
  45:344      46:1781     47:1476     48:2242     49:1716     50:862    
  51:1078     52:1844     53:534      54:3622     55:1446     56:1872   
  57:1236     58:1026     59:2056     60:2420     61:1320     62:3446   
  63:1235     64:1664     65:1612     66:680      67:1752     68:3737   
  69:697      70:4436     71:820      72:3050     73:3075     74:1019   
  75:1143     76:3489     77:4570     78:3436     79:1976     80:2336   
  81:2934     82:3213     83:1953     84:2388     85:19405    86:4327   
  87:3645     88:3849     89:3063     90:8941     91:1305     92:11071  
  93:8554     94:6978     95:4975     96:2945     97:2357     98:6013   
  99:6028   

End of report


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