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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Apr 19 18:45:29 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sat 19 Apr, 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:                              998249
    Prefixes after maximum aggregation (per Origin AS):          376127
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      477914
    Number of IPv4 prefixes with a valid ROA:                    551411
    Number of IPv4 prefixes with an invalid ROA:                    489
    Number of IPv4 prefixes with no ROA:                         446349
Total ASes present in the Internet Routing Table:                 76836
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65972
Origin ASes announcing only one prefix:                           26550
Transit ASes present in the Internet Routing Table:               10864
Transit-only ASes present in the Internet Routing Table:            537
Paths with bogon ASNs present in the IPv4 Routing Table:             91
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                     128
    Max AS path prepend of ASN ( 37447)                             125
Prefixes from unregistered ASNs in the Routing Table:              1098
    Number of instances of unregistered ASNs:                      1104
Number of 32-bit ASNs allocated by the RIRs:                      46245
Number of 32-bit ASNs visible in the Routing Table:               38175
Prefixes from 32-bit ASNs in the Routing Table:                  207225
Number of bogon 32-bit ASNs visible in the Routing Table:            32
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            485
Number of addresses announced to Internet:                   3107102720
    Equivalent to 185 /8s, 50 /16s and 160 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      330012

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

Prefixes being announced by APNIC Region ASes:                   257836
    Total APNIC prefixes after maximum aggregation:               76421
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249483
    Unique aggregates announced from the APNIC address blocks:   102941
APNIC Region origin ASes present in the Internet Routing Table:   14579
    APNIC Prefixes per ASN:                                       17.11
APNIC Region origin ASes announcing only one prefix:               4432
APNIC Region transit ASes present in the Internet Routing Table:   1938
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10099
Number of APNIC addresses announced to Internet:              748388096
    Equivalent to 44 /8s, 155 /16s and 127 /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:                    292482
    Total ARIN prefixes after maximum aggregation:               129267
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           293715
    Unique aggregates announced from the ARIN address blocks:    137839
ARIN Region origin ASes present in the Internet Routing Table:    19234
    ARIN Prefixes per ASN:                                        15.27
ARIN Region origin ASes announcing only one prefix:                7034
ARIN Region transit ASes present in the Internet Routing Table:    1943
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5189
Number of ARIN addresses announced to Internet:              1349405440
    Equivalent to 80 /8s, 110 /16s and 75 /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:                    276709
    Total RIPE prefixes after maximum aggregation:               133551
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274382
    Unique aggregates announced from the RIPE address blocks:    174038
RIPE Region origin ASes present in the Internet Routing Table:    28946
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12050
RIPE Region transit ASes present in the Internet Routing Table:    3946
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12415
Number of RIPE addresses announced to Internet:               731960576
    Equivalent to 43 /8s, 160 /16s and 213 /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:                  132293
    Total LACNIC prefixes after maximum aggregation:              29363
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128779
    Unique aggregates announced from the LACNIC address blocks:   48863
LACNIC Region origin ASes present in the Internet Routing Table:  11240
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2377
LACNIC Region transit ASes present in the Internet Routing Table:  2468
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:  9186
Number of LACNIC addresses announced to Internet:             171783936
    Equivalent to 10 /8s, 61 /16s and 55 /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:                  37831
    Total AfriNIC prefixes after maximum aggregation:              6866
    AfriNIC Deaggregation factor:                                  5.51
Prefixes being announced from the AfriNIC address blocks:         51405
    Unique aggregates announced from the AfriNIC address blocks:  13823
AfriNIC Region origin ASes present in the Internet Routing Table:  1920
    AfriNIC Prefixes per ASN:                                     26.77
AfriNIC Region origin ASes announcing only one prefix:              657
AfriNIC Region transit ASes present in the Internet Routing Table:  384
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                      128
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet:            105335808
    Equivalent to 6 /8s, 71 /16s and 76 /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       10344       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4255        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4220        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3924       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3268       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2856        850     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2176      11524     637  KIXS-AS-KR Korea Telecom, KR
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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       13215      39709    4102  AMAZON-02, US
   174        5387       8761     932  COGENT-174, US
 11492        4694        311     587  CABLEONE, US
  7155        3829        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3398       3034     183  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3076       1291    2246  AKAMAI-AS, US
396982        2957       3650     468  GOOGLE-CLOUD-PLATFORM, US
 36352        2705        222     836  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        7703       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4002       3395     128  AKAMAI-ASN1, NL
  9009        3780        326    1964  M247, RO
 12389        3069       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2363        360     585  TELLCOM-AS, TR
212238        2096        148    1541  CDNEXT, GB
  8452        1640       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1444         95     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       11982       3243     591  UNINET, MX
 10620        3522        486     992  Telmex Colombia S.A., CO
 13999        2511        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1356       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1191        371      22  Telefonica del Peru S.A.A., PE
 11664        1183        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1112         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1053         67     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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        1743        607      31  RAYA-AS, EG
 24863        1647        389      16  LINKdotNET-AS, EG
 29571        1588        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1433       1518     283  ETISALAT-MISR, EG
 20011        1296        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1020        521      42  Vodafone-, EG
 37069         932       1099      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  6713         561       1861      35  IAM-AS, MA

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       13215      39709    4102  AMAZON-02, US
  8151       11982       3243     591  UNINET, MX
  9808       10344       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7703       1714     145  UNI2-AS, ES
  7545        6211        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5387       8761     932  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4694        311     587  CABLEONE, US
 18403        4255        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4220        530     274  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       11982        11391  UNINET, MX
  9808       10344        10256  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7703         7558  UNI2-AS, ES
  7545        6211         5558  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5387         4455  COGENT-174, US
 18403        4255         4230  FPT-AS-AP FPT Telecom Company, VN
 11492        4694         4107  CABLEONE, US
  9498        4220         3946  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3924         3898  VIETEL-AS-AP Viettel Group, VN

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
23.138.4.0/24        Origin:     16509  AMAZON-02, US
23.138.4.0/24       Transit:     37100  SEACOM-AS, MU
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

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      /12:300     
/13:584     /14:1230    /15:2180    /16:14002   /17:8360    /18:13925   
/19:24799   /20:44320   /21:52571   /22:113431  /23:105796  /24:616585  
/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        6624        7703  UNI2-AS, ES
  8151        6166       11982  UNINET, MX
 11492        3531        4694  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2787        3829  VIASAT-SP-BACKBONE, US
 22773        2535        3398  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2349       13215  AMAZON-02, US
 30036        2218        2558  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        3522  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)
----------------------------------------------

   1:2353      2:1530      3:618       4:10        5:4918      6:163    
   7:6         8:1560      9:1        11:172      12:1371     13:354    
  14:2515     15:352      16:283      17:367      18:923      20:519    
  21:4        22:188      23:7471     24:2895     25:2        27:2767   
  29:19       31:3256     32:44       34:84       35:203      36:2402   
  37:4688     38:10118    39:906      40:166      41:4453     42:1914   
  43:2580     44:377      45:19238    46:5039     47:290      49:1928   
  50:1900     51:591      52:1556     54:299      55:1085     56:11     
  57:265      58:2207     59:1284     60:1171     61:2995     62:3004   
  63:1839     64:5540     65:2202     66:4704     67:3107     68:1125   
  69:4011     70:1066     71:622      72:2923     74:2816     75:1606   
  76:613      77:2846     78:1885     79:1754     80:2215     81:2063   
  82:3190     83:1433     84:1854     85:3411     86:1051     87:2407   
  88:1298     89:4333     90:785      91:8399     92:2789     93:2900   
  94:4088     95:4366     96:1450     97:313      98:996      99:643    
 100:72      101:1403    102:4153    103:32331   104:4828    105:1228   
 106:983     107:2618    108:1212    109:4124    110:2229    111:3356   
 112:2049    113:1813    114:1973    115:2245    116:2069    117:2738   
 118:2824    119:1959    120:1878    121:1367    122:2774    123:2403   
 124:1585    125:2864    126:91      128:1585    129:1023    130:1304   
 131:1984    132:789     133:451     134:1536    135:377     136:1313   
 137:1121    138:3060    139:1614    140:1584    141:1494    142:1928   
 143:1660    144:1065    145:519     146:2162    147:2113    148:2671   
 149:2989    150:1252    151:1754    152:2120    153:568     154:8293   
 155:1640    156:3207    157:1890    158:1291    159:2438    160:3662   
 161:1913    162:3764    163:2085    164:1731    165:2227    166:1443   
 167:1907    168:4236    169:800     170:5308    171:1002    172:4493   
 173:3261    174:904     175:1298    176:3730    177:5448    178:3810   
 179:2447    180:2630    181:4205    182:3367    183:2026    184:2147   
 185:21704   186:5473    187:4803    188:4214    189:4419    190:9804   
 191:1951    192:11250   193:9473    194:7836    195:5621    196:3663   
 197:3824    198:6114    199:8462    200:8524    201:6400    202:10455  
 203:10689   204:4533    205:3653    206:4617    207:3458    208:4228   
 209:5178    210:4598    211:2527    212:4564    213:3826    214:1025   
 215:48      216:6682    217:3190    218:1351    219:385     220:2083   
 221:1060    222:709     223:2325   

End of report


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