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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Mar 21 18:45:26 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Fri 21 Mar, 2025

  IPv4 BGP Table (Global) as seen at RENU.

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

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

BGP routing table entries examined:                              997100
    Prefixes after maximum aggregation (per Origin AS):          374521
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      475730
    Number of IPv4 prefixes with a valid ROA:                    549151
    Number of IPv4 prefixes with an invalid ROA:                   1555
    Number of IPv4 prefixes with no ROA:                         446394
Total ASes present in the Internet Routing Table:                 76718
    Prefixes per ASN:                                             13.00
Origin-only ASes present in the Internet Routing Table:           65837
Origin ASes announcing only one prefix:                           26481
Transit ASes present in the Internet Routing Table:               10881
Transit-only ASes present in the Internet Routing Table:            529
Paths with bogon ASNs present in the IPv4 Routing Table:             98
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1062
    Number of instances of unregistered ASNs:                      1071
Number of 32-bit ASNs allocated by the RIRs:                      46125
Number of 32-bit ASNs visible in the Routing Table:               38021
Prefixes from 32-bit ASNs in the Routing Table:                  206482
Number of bogon 32-bit ASNs visible in the Routing Table:            48
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            543
Number of addresses announced to Internet:                   3109295872
    Equivalent to 185 /8s, 84 /16s and 23 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      329461

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

Prefixes being announced by APNIC Region ASes:                   257870
    Total APNIC prefixes after maximum aggregation:               76149
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          249545
    Unique aggregates announced from the APNIC address blocks:   102658
APNIC Region origin ASes present in the Internet Routing Table:   14535
    APNIC Prefixes per ASN:                                       17.17
APNIC Region origin ASes announcing only one prefix:               4417
APNIC Region transit ASes present in the Internet Routing Table:   1928
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         49
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10057
Number of APNIC addresses announced to Internet:              749197312
    Equivalent to 44 /8s, 167 /16s and 216 /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, 131072-155961
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:                    291945
    Total ARIN prefixes after maximum aggregation:               128587
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           293011
    Unique aggregates announced from the ARIN address blocks:    136674
ARIN Region origin ASes present in the Internet Routing Table:    19209
    ARIN Prefixes per ASN:                                        15.25
ARIN Region origin ASes announcing only one prefix:                7021
ARIN Region transit ASes present in the Internet Routing Table:    1957
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          31
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5165
Number of ARIN addresses announced to Internet:              1350409984
    Equivalent to 80 /8s, 125 /16s and 159 /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, 393216-402332
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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    276349
    Total RIPE prefixes after maximum aggregation:               132925
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           274216
    Unique aggregates announced from the RIPE address blocks:    173572
RIPE Region origin ASes present in the Internet Routing Table:    28924
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12040
RIPE Region transit ASes present in the Internet Routing Table:    3961
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12350
Number of RIPE addresses announced to Internet:               732526592
    Equivalent to 43 /8s, 169 /16s and 120 /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
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        53/8,  57/8,  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:                  132495
    Total LACNIC prefixes after maximum aggregation:              29322
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128919
    Unique aggregates announced from the LACNIC address blocks:   48816
LACNIC Region origin ASes present in the Internet Routing Table:  11213
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2342
LACNIC Region transit ASes present in the Internet Routing Table:  2479
Average LACNIC Region AS path length visible:                       5.6
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9165
Number of LACNIC addresses announced to Internet:             171623936
    Equivalent to 10 /8s, 58 /16s and 198 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                  37379
    Total AfriNIC prefixes after maximum aggregation:              6871
    AfriNIC Deaggregation factor:                                  5.44
Prefixes being announced from the AfriNIC address blocks:         50866
    Unique aggregates announced from the AfriNIC address blocks:  13552
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     26.51
AfriNIC Region origin ASes announcing only one prefix:              661
AfriNIC Region transit ASes present in the Internet Routing Table:  380
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1284
Number of AfriNIC addresses announced to Internet:            105280768
    Equivalent to 6 /8s, 70 /16s and 117 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10325       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6207        843     651  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4310        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4265        530     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3692       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3267       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2843        847     540  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2206       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2167        434     194  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12907      39636    3996  AMAZON-02, US
   174        5435       8765     957  COGENT-174, US
 11492        4675        310     585  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3379       3034     182  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3069       1292    2233  AKAMAI-AS, US
396982        2942       3660     455  GOOGLE-CLOUD-PLATFORM, US
 36352        2562        213     804  AS-COLOCROSSING, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7752       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3989       3395     128  AKAMAI-ASN1, NL
  9009        3785        326    1960  M247, RO
 12389        3005       2303     890  ROSTELECOM-AS, RU
 34984        2368        360     584  TELLCOM-AS, TR
212238        2043        145    1502  CDNEXT, GB
  8452        1613       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         98     746  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11872       3240     584  UNINET, MX
 10620        3523        486     970  Telmex Colombia S.A., CO
 13999        2506        539     368  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1164        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1067        359     174  Axtel, S.A.B. de C.V., MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1703        599      30  RAYA-AS, EG
 24863        1621        389      16  LINKdotNET-AS, EG
 29571        1564        102      23  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 20011        1293        202     343  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 37069         859       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         562        661     321  IS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12907      39636    3996  AMAZON-02, US
  8151       11872       3240     584  UNINET, MX
  9808       10325       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7752       1714     145  UNI2-AS, ES
  7545        6207        843     651  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5435       8765     957  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
 18403        4310        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4265        530     276  BBIL-AP BHARTI Airtel Ltd., IN

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

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

   ASN  No of nets  Net Savings  Description
  8151       11872        11288  UNINET, MX
  9808       10325        10237  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7752         7607  UNI2-AS, ES
  7545        6207         5556  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5435         4478  COGENT-174, US
 18403        4310         4285  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4675         4090  CABLEONE, US
  9498        4265         3989  BBIL-AP BHARTI Airtel Ltd., IN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, US

Complete listing at https://bgp.nsrc.org/REN/RENU/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        /8:16       /9:16      /10:41      /11:93      /12:303     
/13:585     /14:1230    /15:2189    /16:14043   /17:8370    /18:13910   
/19:24828   /20:44376   /21:52527   /22:113425  /23:105430  /24:615718  
/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        6685        7752  UNI2-AS, ES
  8151        6044       11872  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2515        3379  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2307       12907  AMAZON-02, US
 30036        2213        2553  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3523  Telmex Colombia S.A., CO

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

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

   1:2349      2:1525      3:598       4:10        5:4856      6:163    
   7:6         8:1554      9:1        11:172      12:1375     13:347    
  14:2511     15:351      16:279      17:362      18:919      20:470    
  21:4        22:188      23:7364     24:3068     25:2        27:2762   
  29:19       31:3253     32:45       34:83       35:205      36:2405   
  37:4738     38:10150    39:898      40:155      41:4439     42:1959   
  43:2579     44:357      45:19274    46:5017     47:288      49:1993   
  50:1893     51:590      52:1556     54:299      55:1074     56:9      
  57:262      58:2203     59:1320     60:1169     61:3008     62:3003   
  63:1851     64:5524     65:2192     66:4682     67:3049     68:1117   
  69:4004     70:1111     71:621      72:2926     74:2833     75:1660   
  76:613      77:2808     78:1870     79:1739     80:2230     81:2047   
  82:2877     83:1411     84:1822     85:3382     86:1041     87:2415   
  88:1301     89:4340     90:783      91:8401     92:2797     93:2901   
  94:4033     95:4270     96:1425     97:314      98:994      99:737    
 100:71      101:1303    102:4040    103:32430   104:4828    105:1225   
 106:997     107:2589    108:1207    109:4165    110:2230    111:3335   
 112:2044    113:1812    114:1953    115:2204    116:2077    117:2745   
 118:2790    119:1962    120:1879    121:1366    122:2768    123:2360   
 124:1586    125:2872    126:88      128:1588    129:1031    130:1304   
 131:1943    132:785     133:451     134:1528    135:375     136:1286   
 137:1120    138:3065    139:1621    140:1560    141:1482    142:1847   
 143:1667    144:1060    145:486     146:2167    147:2097    148:2626   
 149:2961    150:1258    151:2035    152:2119    153:574     154:8174   
 155:1638    156:3330    157:1908    158:1273    159:2425    160:3639   
 161:1984    162:3722    163:1956    164:1732    165:2227    166:1412   
 167:1905    168:4250    169:799     170:5330    171:1001    172:4481   
 173:3251    174:911     175:1282    176:3735    177:5472    178:3884   
 179:2512    180:2617    181:4176    182:3375    183:2043    184:2303   
 185:21698   186:5449    187:4766    188:4246    189:4397    190:9818   
 191:1990    192:11174   193:9464    194:7841    195:5646    196:3588   
 197:3794    198:6114    199:8418    200:8474    201:6410    202:10483  
 203:10702   204:4528    205:3643    206:4615    207:3458    208:4211   
 209:5186    210:4598    211:2509    212:4553    213:3814    214:1053   
 215:48      216:6634    217:3170    218:1345    219:388     220:2079   
 221:1068    222:716     223:2321   

End of report


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