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

REN Routing Table Report cscora at frr.nsrc.org
Sun Sep 12 21:12:44 UTC 2021


Global R&E Routing Table Report   21:10 GMT Sun 12 Sep, 2021

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

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

BGP routing table entries examined:                              851310
    Prefixes after maximum aggregation (per Origin AS):          232389
    Deaggregation factor:                                          3.66
    Unique aggregates announced (without unneeded subnets):      194316
Total ASes present in the Internet Routing Table:                 71485
    Prefixes per ASN:                                             11.91
Origin-only ASes present in the Internet Routing Table:           61413
Origin ASes announcing only one prefix:                           25434
Transit ASes present in the Internet Routing Table:               10072
Transit-only ASes present in the Internet Routing Table:            345
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      38
    Max AS path prepend of ASN (141827)                              33
Prefixes from unregistered ASNs in the Routing Table:              1262
    Number of instances of unregistered ASNs:                      1268
Number of 32-bit ASNs allocated by the RIRs:                      37207
Number of 32-bit ASNs visible in the Routing Table:               30617
Prefixes from 32-bit ASNs in the Routing Table:                  138907
Number of bogon 32-bit ASNs visible in the Routing Table:            51
Special use prefixes present in the Routing Table:                36499
Prefixes being announced from unallocated address space:            924
Number of addresses announced to Internet:                   1255431936
    Equivalent to 74 /8s, 212 /16s and 95 /24s
    Percentage of available address space announced:               33.9
    Percentage of allocated address space announced:               33.9
    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:      339453

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

Prefixes being announced by APNIC Region ASes:                   224165
    Total APNIC prefixes after maximum aggregation:               39043
    APNIC Deaggregation factor:                                    5.74
Prefixes being announced from the APNIC address blocks:           82537
    Unique aggregates announced from the APNIC address blocks:    13529
APNIC Region origin ASes present in the Internet Routing Table:   11896
    APNIC Prefixes per ASN:                                        6.94
APNIC Region origin ASes announcing only one prefix:               3390
APNIC Region transit ASes present in the Internet Routing Table:   1654
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:   7083
Number of APNIC addresses announced to Internet:              132943872
    Equivalent to 7 /8s, 236 /16s and 144 /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:                    248957
    Total ARIN prefixes after maximum aggregation:                78335
    ARIN Deaggregation factor:                                     3.18
Prefixes being announced from the ARIN address blocks:           447165
    Unique aggregates announced from the ARIN address blocks:     71856
ARIN Region origin ASes present in the Internet Routing Table:    18728
    ARIN Prefixes per ASN:                                        23.88
ARIN Region origin ASes announcing only one prefix:                6865
ARIN Region transit ASes present in the Internet Routing Table:    1935
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4031
Number of ARIN addresses announced to Internet:               676154624
    Equivalent to 40 /8s, 77 /16s and 77 /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:                    239388
    Total RIPE prefixes after maximum aggregation:                87818
    RIPE Deaggregation factor:                                     2.73
Prefixes being announced from the RIPE address blocks:           281707
    Unique aggregates announced from the RIPE address blocks:    106421
RIPE Region origin ASes present in the Internet Routing Table:    27738
    RIPE Prefixes per ASN:                                        10.16
RIPE Region origin ASes announcing only one prefix:               11977
RIPE Region transit ASes present in the Internet Routing Table:    3876
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   10194
Number of RIPE addresses announced to Internet:               411347200
    Equivalent to 24 /8s, 132 /16s and 169 /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:                  111276
    Total LACNIC prefixes after maximum aggregation:              21591
    LACNIC Deaggregation factor:                                   5.15
Prefixes being announced from the LACNIC address blocks:             92
    Unique aggregates announced from the LACNIC address blocks:      39
LACNIC Region origin ASes present in the Internet Routing Table:  10787
    LACNIC Prefixes per ASN:                                       0.01
LACNIC Region origin ASes announcing only one prefix:              2665
LACNIC Region transit ASes present in the Internet Routing Table:  2108
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8443
Number of LACNIC addresses announced to Internet:               1072128
    Equivalent to 0 /8s, 16 /16s and 92 /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:                  26262
    Total AfriNIC prefixes after maximum aggregation:              4888
    AfriNIC Deaggregation factor:                                  5.37
Prefixes being announced from the AfriNIC address blocks:          2386
    Unique aggregates announced from the AfriNIC address blocks:   1409
AfriNIC Region origin ASes present in the Internet Routing Table:  1534
    AfriNIC Prefixes per ASN:                                      1.56
AfriNIC Region origin ASes announcing only one prefix:              537
AfriNIC Region transit ASes present in the Internet Routing Table:  312
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  866
Number of AfriNIC addresses announced to Internet:             16032000
    Equivalent to 0 /8s, 244 /16s and 161 /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        8309       7490      27  CMNET-GD Guangdong Mobile Communication
  7545        5810        446     151  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        3846       1394      38  ERX-CERNET-BKB China Education and Rese
  7552        3645       1321      10  VIETEL-AS-AP Viettel Group, VN
  7713        3524        970      38  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        2878       1793       8  VNPT-AS-VN VNPT Corp, VN
  9498        2363        437     202  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2251       7194     185  KIXS-AS-KR Korea Telecom, KR
  4755        2110        337     125  TATACOMM-AS TATA Communications formerl
 45090        2095        807      53  CNNIC-TENCENT-NET-AP Shenzhen Tencent C

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        5385       2856    1156  AMAZON-02, US
 11492        4663        240     564  CABLEONE, US
 22773        4000       1404     163  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3968        168      26  VIASAT-SP-BACKBONE, US
 16625        3427       1038    1505  AKAMAI-AS, US
  6327        3364        757      41  SHAW, CA
 30036        2580        277     168  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2509       1008     177  CENTURYLINK-US-LEGACY-QWEST, US
 20115        2242       1808     314  CHARTER-20115, US
  5972        2161        301     376  DNIC-ASBLK-05800-06055, 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
 47331        8179        742    2289  TTNET, TR
 12479        6839        255      64  UNI2-AS, ES
 20940        3438       1997     114  AKAMAI-ASN1, NL
  8551        3294        137      18  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 39891        2747         49      13  ALJAWWALSTC-AS, SA
 12389        2684        880     180  ROSTELECOM-AS, RU
  9009        2456        143     708  M247, GB
 34984        2228        213     260  TELLCOM-AS, TR
 61317        1689        128     594  ASDETUK www.heficed.com, GB
 13188        1610         99      24  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        8711       2740     348  Uninet S.A. de C.V., MX
 10620        3419        500     626  Telmex Colombia S.A., CO
 11830        2496         71      56  Instituto Costarricense de Electricidad
 13999        1780        332     369  Mega Cable, S.A. de C.V., MX
  6503        1513        287     323  Axtel, S.A.B. de C.V., MX
 28573        1441       2124     202  CLARO S.A., BR
  3816        1240        615     137  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 26615        1131       2342      99  TIM SA, BR
  6147        1081        257       6  Telefonica del Peru S.A.A., PE
 11172         957         49      17  Alestra, S. de R.L. de C.V., MX

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        1634        373      16  LINKdotNET-AS, EG
 24835        1382        359      29  RAYA-AS, EG
 36992        1311       1311     161  ETISALAT-MISR, EG
 36903        1183        537     110  MT-MPLS, MA
 29571         774         66      10  ORANGE-COTE-IVOIRE, CI
  6713         612       1583      30  IAM-AS, MA
 36935         578        521      35  Vodafone-, EG
 15399         500         49      28  WANANCHI-, KE
 37342         469         32       1  MOVITEL, MZ
  2018         337        319      74  TENET-1, ZA

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        8711       2740     348  Uninet S.A. de C.V., MX
  9808        8309       7490      27  CMNET-GD Guangdong Mobile Communication
 47331        8179        742    2289  TTNET, TR
 12479        6839        255      64  UNI2-AS, ES
  7545        5810        446     151  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        5385       2856    1156  AMAZON-02, US
 11492        4663        240     564  CABLEONE, US
 22773        4000       1404     163  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3968        168      26  VIASAT-SP-BACKBONE, US
  4538        3846       1394      38  ERX-CERNET-BKB China Education and Rese

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        8309         8282  CMNET-GD Guangdong Mobile Communication Co.Ltd.
 12479        6839         6775  UNI2-AS, ES
 47331        8179         5890  TTNET, TR
  7545        5810         5659  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        5385         4229  AMAZON-02, US
 11492        4663         4099  CABLEONE, US
  7155        3968         3942  VIASAT-SP-BACKBONE, US
 22773        4000         3837  ASN-CXA-ALL-CCI-22773-RDC, US
  4538        3846         3808  ERX-CERNET-BKB China Education and Research Net
  7552        3645         3635  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
     40544  UNALLOCATED  2.0.33.0/24               6461  ZAYO-6461, US
     15132  UNALLOCATED  2.9.150.0/24              1239  SPRINTLINK, US
      3577  UNALLOCATED  2.19.197.0/24             7018  ATT-INTERNET4, US
     21861  UNALLOCATED  2.37.59.0/24              7018  ATT-INTERNET4, US
     33684  UNALLOCATED  2.37.144.0/24             7018  ATT-INTERNET4, US
     13317  UNALLOCATED  2.44.10.0/24              7018  ATT-INTERNET4, US
     63305  UNALLOCATED  2.49.58.0/24              7018  ATT-INTERNET4, US
     33684  UNALLOCATED  2.68.34.0/24              7018  ATT-INTERNET4, US
     31781  UNALLOCATED  2.71.107.0/24             7018  ATT-INTERNET4, US
     21861  UNALLOCATED  2.106.212.0/24            7018  ATT-INTERNET4, US

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

Prefixes from private and non-routed address space (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-dsua

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
5.42.200.0/24        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-COMMUNICATIONS-2914, US
5.42.202.0/24        Origin:     40676  AS40676, US
5.42.202.0/24       Transit:      2914  NTT-COMMUNICATIONS-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      /10:40      /11:95      /12:276     
/13:559     /14:1144    /15:1999    /16:13213   /17:8031    /18:13556   
/19:24739   /20:41092   /21:50276   /22:104662  /23:91340   /24:500262  
/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        4006        6839  UNI2-AS, ES
 10620        3325        3419  Telmex Colombia S.A., CO
  7155        3299        3968  VIASAT-SP-BACKBONE, US
  8151        3085        8711  Uninet S.A. de C.V., MX
 47331        2206        8179  TTNET, TR
 16509        2117        5385  AMAZON-02, US
 30036        2039        2580  MEDIACOM-ENTERPRISE-BUSINESS, US
 22773        1964        4000  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        1602        3364  SHAW, CA
  7545        1601        5810  TPG-INTERNET-AP TPG Telecom Limited, AU

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

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

   1:24663     2:25145     3:50519     4:26202     5:31990     6:17663  
   7:19987     8:17534     9:22702    10:6125     11:5481     12:5721   
  13:4701     14:2647     15:2173     16:8233     17:5001     18:3425   
  19:2463     20:3522     21:2024     22:3352     23:4089     24:1543   
  25:1946     28:1358     29:1381     30:883      31:2021     32:772    
  33:362      34:1809     35:306      36:780      37:992      38:2410   
  39:1200     40:761      41:1211     42:1210     43:1335     44:1263   
  45:324      46:1504     47:1401     48:2189     49:1504     50:831    
  51:1084     52:1641     53:504      54:3000     55:1334     56:1757   
  57:1220     58:983      59:2019     60:2357     61:1245     62:3365   
  63:1113     64:1550     65:1444     66:590      67:1692     68:3640   
  69:696      70:4325     71:807      72:2743     73:2872     74:1005   
  75:1119     76:3266     77:4451     78:2995     79:1889     80:2336   
  81:2647     82:3184     83:1905     84:2416     85:18787    86:4249   
  87:3132     88:3320     89:2906     90:8725     91:1374     92:10739  
  93:8337     94:6775     95:4860     96:2893     97:2121     98:6020   
  99:5946   

End of report


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