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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Mar 6 18:45:36 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 06 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:                              995372
    Prefixes after maximum aggregation (per Origin AS):          373842
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476328
    Number of IPv4 prefixes with a valid ROA:                    546898
    Number of IPv4 prefixes with an invalid ROA:                   1538
    Number of IPv4 prefixes with no ROA:                         446936
Total ASes present in the Internet Routing Table:                 76656
    Prefixes per ASN:                                             12.98
Origin-only ASes present in the Internet Routing Table:           65777
Origin ASes announcing only one prefix:                           26512
Transit ASes present in the Internet Routing Table:               10879
Transit-only ASes present in the Internet Routing Table:            539
Paths with bogon ASNs present in the IPv4 Routing Table:             95
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:              1027
    Number of instances of unregistered ASNs:                      1033
Number of 32-bit ASNs allocated by the RIRs:                      46200
Number of 32-bit ASNs visible in the Routing Table:               37916
Prefixes from 32-bit ASNs in the Routing Table:                  205797
Number of bogon 32-bit ASNs visible in the Routing Table:            42
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            495
Number of addresses announced to Internet:                   3111480832
    Equivalent to 185 /8s, 117 /16s and 110 /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:      328788

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

Prefixes being announced by APNIC Region ASes:                   257570
    Total APNIC prefixes after maximum aggregation:               76058
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          249366
    Unique aggregates announced from the APNIC address blocks:   102646
APNIC Region origin ASes present in the Internet Routing Table:   14508
    APNIC Prefixes per ASN:                                       17.19
APNIC Region origin ASes announcing only one prefix:               4424
APNIC Region transit ASes present in the Internet Routing Table:   1934
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10017
Number of APNIC addresses announced to Internet:              749601536
    Equivalent to 44 /8s, 174 /16s and 3 /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:                    290983
    Total ARIN prefixes after maximum aggregation:               128318
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292176
    Unique aggregates announced from the ARIN address blocks:    136309
ARIN Region origin ASes present in the Internet Routing Table:    19208
    ARIN Prefixes per ASN:                                        15.21
ARIN Region origin ASes announcing only one prefix:                7019
ARIN Region transit ASes present in the Internet Routing Table:    1960
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5159
Number of ARIN addresses announced to Internet:              1350207488
    Equivalent to 80 /8s, 122 /16s and 136 /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:                    276027
    Total RIPE prefixes after maximum aggregation:               132629
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           273537
    Unique aggregates announced from the RIPE address blocks:    172913
RIPE Region origin ASes present in the Internet Routing Table:    28896
    RIPE Prefixes per ASN:                                         9.47
RIPE Region origin ASes announcing only one prefix:               12059
RIPE Region transit ASes present in the Internet Routing Table:    3948
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:   12303
Number of RIPE addresses announced to Internet:               732809472
    Equivalent to 43 /8s, 173 /16s and 201 /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:                  132287
    Total LACNIC prefixes after maximum aggregation:              29249
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128979
    Unique aggregates announced from the LACNIC address blocks:   48780
LACNIC Region origin ASes present in the Internet Routing Table:  11212
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2346
LACNIC Region transit ASes present in the Internet Routing Table:  2493
Average LACNIC Region AS path length visible:                       5.5
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9157
Number of LACNIC addresses announced to Internet:             173808896
    Equivalent to 10 /8s, 92 /16s and 29 /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:                  37478
    Total AfriNIC prefixes after maximum aggregation:              6942
    AfriNIC Deaggregation factor:                                  5.40
Prefixes being announced from the AfriNIC address blocks:         50819
    Unique aggregates announced from the AfriNIC address blocks:  15248
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     26.51
AfriNIC Region origin ASes announcing only one prefix:              664
AfriNIC Region transit ASes present in the Internet Routing Table:  381
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: 1280
Number of AfriNIC addresses announced to Internet:            104812032
    Equivalent to 6 /8s, 63 /16s and 78 /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       10324       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6210        843     655  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4391        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4241        530     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3691       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3270       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2848        855     532  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2208       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       12972      39645    3919  AMAZON-02, US
   174        5341       8769     968  COGENT-174, US
 11492        4671        310     587  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3380       3033     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3054       1296    2222  AKAMAI-AS, US
396982        2936       3660     453  GOOGLE-CLOUD-PLATFORM, US
 30036        2559        353     399  MEDIACOM-ENTERPRISE-BUSINESS, 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        7763       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3999       3395     128  AKAMAI-ASN1, NL
  9009        3777        323    1940  M247, RO
 12389        2980       2303     890  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2030        146    1500  CDNEXT, GB
  8452        1619       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1487         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       11830       3234     592  UNINET, MX
 10620        3547        492     956  Telmex Colombia S.A., CO
 13999        2506        539     374  Mega Cable, S.A. de C.V., MX
 11830        1989        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1330        781     212  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1192        371      22  Telefonica del Peru S.A.A., PE
 11664        1167        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1105        374     163  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        1683        599      30  RAYA-AS, EG
 24863        1618        389      16  LINKdotNET-AS, EG
 29571        1577         99     102  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 20011        1292        202     342  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 37069         851       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         557        661     318  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       12972      39645    3919  AMAZON-02, US
  8151       11830       3234     592  UNINET, MX
  9808       10324       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7763       1714     145  UNI2-AS, ES
  7545        6210        843     655  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5341       8769     968  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4671        310     587  CABLEONE, US
 18403        4391        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4241        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       11830        11238  UNINET, MX
  9808       10324        10236  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7763         7618  UNI2-AS, ES
  7545        6210         5555  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5341         4373  COGENT-174, US
 18403        4391         4366  FPT-AS-AP FPT Telecom Company, VN
  7155        4175         4092  VIASAT-SP-BACKBONE, US
 11492        4671         4084  CABLEONE, US
  9498        4241         3965  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      /10:42      /11:92      /12:304     
/13:586     /14:1229    /15:2188    /16:14037   /17:8368    /18:13899   
/19:24766   /20:44409   /21:52633   /22:113445  /23:105278  /24:614064  
/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        6704        7763  UNI2-AS, ES
  8151        6002       11830  UNINET, MX
 11492        3527        4671  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2517        3380  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2340       12972  AMAZON-02, US
 30036        2219        2559  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2187        3547  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)
----------------------------------------------

   1:2338      2:1526      3:584       4:10        5:4850      6:167    
   7:6         8:1550      9:1        11:172      12:1376     13:349    
  14:2515     15:350      16:277      17:360      18:926      20:462    
  21:4        22:188      23:7345     24:2785     25:2        27:2749   
  29:19       31:3216     32:43       34:83       35:203      36:2414   
  37:4651     38:10048    39:898      40:153      41:4476     42:1996   
  43:2552     44:357      45:19151    46:5048     47:289      49:1989   
  50:1892     51:589      52:1566     54:302      55:1068     56:9      
  57:252      58:2225     59:1223     60:1166     61:3009     62:2998   
  63:1844     64:5541     65:2190     66:4710     67:3055     68:1120   
  69:4011     70:1105     71:616      72:2943     74:2804     75:1654   
  76:611      77:2804     78:1872     79:1724     80:2230     81:2036   
  82:2730     83:1418     84:1819     85:3370     86:1030     87:2420   
  88:1300     89:4323     90:780      91:8420     92:2799     93:2909   
  94:3923     95:4282     96:1408     97:318      98:970      99:740    
 100:71      101:1399    102:4108    103:32412   104:4816    105:1231   
 106:996     107:2588    108:1216    109:4154    110:2229    111:3332   
 112:2048    113:1816    114:1949    115:2213    116:2078    117:2758   
 118:2807    119:1962    120:1882    121:1359    122:2786    123:2324   
 124:1585    125:2888    126:92      128:1599    129:1034    130:1304   
 131:1906    132:787     133:451     134:1530    135:373     136:1283   
 137:1120    138:3059    139:1630    140:1554    141:1478    142:1850   
 143:1659    144:1052    145:479     146:2158    147:2077    148:2607   
 149:2930    150:1251    151:1960    152:2121    153:574     154:8154   
 155:1640    156:3312    157:1916    158:1277    159:2423    160:3643   
 161:1966    162:3700    163:1884    164:1733    165:2204    166:1385   
 167:1903    168:4218    169:799     170:5270    171:999     172:4465   
 173:3255    174:912     175:1283    176:3703    177:5481    178:3839   
 179:2402    180:2616    181:4161    182:3374    183:2052    184:2309   
 185:21676   186:5424    187:4714    188:4240    189:4405    190:9842   
 191:1971    192:11168   193:9442    194:7816    195:5625    196:3555   
 197:3813    198:6129    199:8396    200:8495    201:6419    202:10479  
 203:10715   204:4490    205:3654    206:4594    207:3465    208:4205   
 209:5190    210:4596    211:2524    212:4545    213:3816    214:1064   
 215:42      216:6635    217:3177    218:1351    219:387     220:2105   
 221:1057    222:715     223:2319   

End of report


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