[REN-BGP-stats-all] Global R&E Routing Table Report - USP R&E view

REN Routing Table Report cscora at frr.nsrc.org
Sun Oct 10 21:33:54 UTC 2021


Global R&E Routing Table Report   21:30 GMT Sun 10 Oct, 2021

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

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

BGP routing table entries examined:                              855127
    Prefixes after maximum aggregation (per Origin AS):          234074
    Deaggregation factor:                                          3.65
    Unique aggregates announced (without unneeded subnets):      196010
Total ASes present in the Internet Routing Table:                 71599
    Prefixes per ASN:                                             11.94
Origin-only ASes present in the Internet Routing Table:           61495
Origin ASes announcing only one prefix:                           25387
Transit ASes present in the Internet Routing Table:               10104
Transit-only ASes present in the Internet Routing Table:            362
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1244
    Number of instances of unregistered ASNs:                      1248
Number of 32-bit ASNs allocated by the RIRs:                      37460
Number of 32-bit ASNs visible in the Routing Table:               30828
Prefixes from 32-bit ASNs in the Routing Table:                  140317
Number of bogon 32-bit ASNs visible in the Routing Table:            47
Special use prefixes present in the Routing Table:                36426
Prefixes being announced from unallocated address space:            902
Number of addresses announced to Internet:                   1279135744
    Equivalent to 76 /8s, 62 /16s and 16 /24s
    Percentage of available address space announced:               34.6
    Percentage of allocated address space announced:               34.6
    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:      340561

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

Prefixes being announced by APNIC Region ASes:                   224754
    Total APNIC prefixes after maximum aggregation:               39246
    APNIC Deaggregation factor:                                    5.73
Prefixes being announced from the APNIC address blocks:           83262
    Unique aggregates announced from the APNIC address blocks:    13573
APNIC Region origin ASes present in the Internet Routing Table:   11971
    APNIC Prefixes per ASN:                                        6.96
APNIC Region origin ASes announcing only one prefix:               3410
APNIC Region transit ASes present in the Internet Routing Table:   1685
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:   7168
Number of APNIC addresses announced to Internet:              136865792
    Equivalent to 8 /8s, 40 /16s and 104 /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:                    250525
    Total ARIN prefixes after maximum aggregation:                79224
    ARIN Deaggregation factor:                                     3.16
Prefixes being announced from the ARIN address blocks:           449484
    Unique aggregates announced from the ARIN address blocks:     72697
ARIN Region origin ASes present in the Internet Routing Table:    18710
    ARIN Prefixes per ASN:                                        24.02
ARIN Region origin ASes announcing only one prefix:                6832
ARIN Region transit ASes present in the Internet Routing Table:    1924
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          29
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4072
Number of ARIN addresses announced to Internet:               691160064
    Equivalent to 41 /8s, 50 /16s and 68 /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:                    240507
    Total RIPE prefixes after maximum aggregation:                88260
    RIPE Deaggregation factor:                                     2.72
Prefixes being announced from the RIPE address blocks:           282549
    Unique aggregates announced from the RIPE address blocks:    107225
RIPE Region origin ASes present in the Internet Routing Table:    27766
    RIPE Prefixes per ASN:                                        10.18
RIPE Region origin ASes announcing only one prefix:               11978
RIPE Region transit ASes present in the Internet Routing Table:    3865
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:   10255
Number of RIPE addresses announced to Internet:               415862272
    Equivalent to 24 /8s, 201 /16s and 142 /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:                  111547
    Total LACNIC prefixes after maximum aggregation:              21724
    LACNIC Deaggregation factor:                                   5.13
Prefixes being announced from the LACNIC address blocks:             95
    Unique aggregates announced from the LACNIC address blocks:      40
LACNIC Region origin ASes present in the Internet Routing Table:  10784
    LACNIC Prefixes per ASN:                                       0.01
LACNIC Region origin ASes announcing only one prefix:              2628
LACNIC Region transit ASes present in the Internet Routing Table:  2135
Average LACNIC Region AS path length visible:                       6.2
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8453
Number of LACNIC addresses announced to Internet:               1074176
    Equivalent to 0 /8s, 16 /16s and 100 /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:                  26550
    Total AfriNIC prefixes after maximum aggregation:              4916
    AfriNIC Deaggregation factor:                                  5.40
Prefixes being announced from the AfriNIC address blocks:          2409
    Unique aggregates announced from the AfriNIC address blocks:   1420
AfriNIC Region origin ASes present in the Internet Routing Table:  1549
    AfriNIC Prefixes per ASN:                                      1.56
AfriNIC Region origin ASes announcing only one prefix:              539
AfriNIC Region transit ASes present in the Internet Routing Table:  315
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       37
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  880
Number of AfriNIC addresses announced to Internet:             16294144
    Equivalent to 0 /8s, 248 /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        8355       7490      27  CMNET-GD Guangdong Mobile Communication
  7545        5833        446     149  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        3874       1394      38  ERX-CERNET-BKB China Education and Rese
  7552        3619       1321      10  VIETEL-AS-AP Viettel Group, VN
  7713        3514        970      38  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3021       1793       8  VNPT-AS-VN VNPT Corp, VN
  4766        2251       7194     185  KIXS-AS-KR Korea Telecom, KR
  9498        2174        407     203  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2122        328     124  TATACOMM-AS TATA Communications formerl
 45090        2095        807      53  CNNIC-TENCENT-NET-AP Shenzhen Tencent C

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        5491       2925    1181  AMAZON-02, US
 11492        4677        243     574  CABLEONE, US
 22773        4099       1442     224  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3950        168      24  VIASAT-SP-BACKBONE, US
 16625        3475       1062    1537  AKAMAI-AS, US
  6327        3373        757      41  SHAW, CA
 30036        2588        277     157  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2532       1008     178  CENTURYLINK-US-LEGACY-QWEST, US
 20115        2241       1808     314  CHARTER-20115, US
  7018        2222       6517     504  ATT-INTERNET4, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8315        755    2255  TTNET, TR
 12479        6847        255      64  UNI2-AS, ES
 20940        3520       1997     115  AKAMAI-ASN1, NL
  8551        2992        137      18  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 39891        2747         49      13  ALJAWWALSTC-AS, SA
 12389        2692        880     181  ROSTELECOM-AS, RU
  9009        2426        140     693  M247, GB
 34984        2233        213     262  TELLCOM-AS, TR
 13188        1610         99      24  TRIOLAN, UA
 61317        1573        122     552  ASDETUK www.heficed.com, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        8881       2742     350  Uninet S.A. de C.V., MX
 10620        3412        496     662  Telmex Colombia S.A., CO
 11830        2498         71      56  Instituto Costarricense de Electricidad
 13999        1697        292     365  Mega Cable, S.A. de C.V., MX
  6503        1522        287     323  Axtel, S.A.B. de C.V., MX
 28573        1450       2133     215  CLARO S.A., BR
  3816        1240        614     138  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 26615        1128       2342     100  TIM SA, BR
  6147        1070        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/USP/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863        1636        373      17  LINKdotNET-AS, EG
 24835        1529        363      28  RAYA-AS, EG
 36992        1287       1240     166  ETISALAT-MISR, EG
 36903        1183        537     110  MT-MPLS, MA
 29571         800         66      10  ORANGE-COTE-IVOIRE, CI
 36935         630        523      39  Vodafone-, EG
  6713         611       1583      30  IAM-AS, MA
 15399         506         50      31  WANANCHI-, KE
 37342         471         32       1  MOVITEL, MZ
  2018         343        319      73  TENET-1, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        8881       2742     350  Uninet S.A. de C.V., MX
  9808        8355       7490      27  CMNET-GD Guangdong Mobile Communication
 47331        8315        755    2255  TTNET, TR
 12479        6847        255      64  UNI2-AS, ES
  7545        5833        446     149  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        5491       2925    1181  AMAZON-02, US
 11492        4677        243     574  CABLEONE, US
 22773        4099       1442     224  ASN-CXA-ALL-CCI-22773-RDC, US
  7155        3950        168      24  VIASAT-SP-BACKBONE, US
  4538        3874       1394      38  ERX-CERNET-BKB China Education and Rese

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

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

   ASN  No of nets  Net Savings  Description
  9808        8355         8328  CMNET-GD Guangdong Mobile Communication Co.Ltd.
 12479        6847         6783  UNI2-AS, ES
 47331        8315         6060  TTNET, TR
  7545        5833         5684  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        5491         4310  AMAZON-02, US
 11492        4677         4103  CABLEONE, US
  7155        3950         3926  VIASAT-SP-BACKBONE, US
 22773        4099         3875  ASN-CXA-ALL-CCI-22773-RDC, US
  4538        3874         3836  ERX-CERNET-BKB China Education and Research Net
  7552        3619         3609  VIETEL-AS-AP Viettel Group, VN

Complete listing at https://bgp.nsrc.org/REN/USP/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/USP/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/USP/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:      7575  AARNET-AS-AP Australian Academic and Res
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/USP/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      /11:94      /12:275     
/13:564     /14:1161    /15:2028    /16:13384   /17:8055    /18:13568   
/19:24835   /20:41324   /21:50571   /22:105095  /23:91855   /24:502252  
/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        3982        6847  UNI2-AS, ES
 10620        3319        3412  Telmex Colombia S.A., CO
  7155        3280        3950  VIASAT-SP-BACKBONE, US
  8151        3005        8881  Uninet S.A. de C.V., MX
 47331        2228        8315  TTNET, TR
 16509        2130        5491  AMAZON-02, US
 30036        2047        2588  MEDIACOM-ENTERPRISE-BUSINESS, US
 22773        2035        4099  ASN-CXA-ALL-CCI-22773-RDC, US
  7545        1607        5833  TPG-INTERNET-AP TPG Telecom Limited, AU
  6327        1605        3373  SHAW, CA

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

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

   1:24865     2:25135     3:50818     4:26227     5:32215     6:17922  
   7:20146     8:17734     9:22472    10:6139     11:5413     12:5741   
  13:4673     14:2657     15:2169     16:8170     17:5041     18:3432   
  19:2472     20:3525     21:2037     22:3367     23:4104     24:1540   
  25:1934     28:1366     29:1326     30:902      31:2028     32:770    
  33:363      34:1863     35:317      36:785      37:1007     38:2404   
  39:1205     40:763      41:1242     42:1201     43:1367     44:1268   
  45:327      46:1555     47:1430     48:2174     49:1507     50:841    
  51:1087     52:1663     53:504      54:3120     55:1330     56:1821   
  57:1183     58:1007     59:2039     60:2348     61:1250     62:3347   
  63:1092     64:1568     65:1463     66:588      67:1689     68:3643   
  69:690      70:4318     71:806      72:2756     73:2943     74:1000   
  75:1133     76:3327     77:4518     78:3005     79:1947     80:2335   
  81:2664     82:3078     83:1908     84:2429     85:18930    86:4248   
  87:3177     88:3433     89:2907     90:8711     91:1307     92:10699  
  93:8367     94:6836     95:4890     96:2915     97:2123     98:6023   
  99:5922   

End of report


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