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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Apr 13 18:45:28 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sun 13 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:                              997286
    Prefixes after maximum aggregation (per Origin AS):          375811
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      477229
    Number of IPv4 prefixes with a valid ROA:                    551494
    Number of IPv4 prefixes with an invalid ROA:                    416
    Number of IPv4 prefixes with no ROA:                         445376
Total ASes present in the Internet Routing Table:                 76783
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65882
Origin ASes announcing only one prefix:                           26555
Transit ASes present in the Internet Routing Table:               10901
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:             76
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:              1119
    Number of instances of unregistered ASNs:                      1120
Number of 32-bit ASNs allocated by the RIRs:                      46183
Number of 32-bit ASNs visible in the Routing Table:               38130
Prefixes from 32-bit ASNs in the Routing Table:                  206959
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            486
Number of addresses announced to Internet:                   3107029760
    Equivalent to 185 /8s, 49 /16s and 131 /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:      329841

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

Prefixes being announced by APNIC Region ASes:                   257679
    Total APNIC prefixes after maximum aggregation:               76380
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249300
    Unique aggregates announced from the APNIC address blocks:   102797
APNIC Region origin ASes present in the Internet Routing Table:   14554
    APNIC Prefixes per ASN:                                       17.13
APNIC Region origin ASes announcing only one prefix:               4434
APNIC Region transit ASes present in the Internet Routing Table:   1935
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         37
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10081
Number of APNIC addresses announced to Internet:              748486144
    Equivalent to 44 /8s, 156 /16s and 254 /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:                    291892
    Total ARIN prefixes after maximum aggregation:               129137
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           293172
    Unique aggregates announced from the ARIN address blocks:    137524
ARIN Region origin ASes present in the Internet Routing Table:    19218
    ARIN Prefixes per ASN:                                        15.26
ARIN Region origin ASes announcing only one prefix:                7032
ARIN Region transit ASes present in the Internet Routing Table:    1951
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:    5179
Number of ARIN addresses announced to Internet:              1349496320
    Equivalent to 80 /8s, 111 /16s and 174 /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:                    276649
    Total RIPE prefixes after maximum aggregation:               133425
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274247
    Unique aggregates announced from the RIPE address blocks:    173818
RIPE Region origin ASes present in the Internet Routing Table:    28932
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12046
RIPE Region transit ASes present in the Internet Routing Table:    3960
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:   12399
Number of RIPE addresses announced to Internet:               731783936
    Equivalent to 43 /8s, 158 /16s and 35 /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:                  132273
    Total LACNIC prefixes after maximum aggregation:              29352
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128819
    Unique aggregates announced from the LACNIC address blocks:   48860
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:              2384
LACNIC Region transit ASes present in the Internet Routing Table:  2488
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:  9187
Number of LACNIC addresses announced to Internet:             171682816
    Equivalent to 10 /8s, 59 /16s and 172 /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:                  37674
    Total AfriNIC prefixes after maximum aggregation:              6841
    AfriNIC Deaggregation factor:                                  5.51
Prefixes being announced from the AfriNIC address blocks:         51262
    Unique aggregates announced from the AfriNIC address blocks:  13810
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     26.74
AfriNIC Region origin ASes announcing only one prefix:              659
AfriNIC Region transit ASes present in the Internet Routing Table:  378
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: 1284
Number of AfriNIC addresses announced to Internet:            105337600
    Equivalent to 6 /8s, 71 /16s and 83 /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       10305       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6210        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4242        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        3675       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3267       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2854        849     538  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4766        2163      11521     628  KIXS-AS-KR Korea Telecom, KR

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       13150      39688    4100  AMAZON-02, US
   174        5338       8765     957  COGENT-174, US
 11492        4693        311     586  CABLEONE, US
  7155        3829        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3397       3034     183  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3072       1291    2245  AKAMAI-AS, US
396982        2951       3649     468  GOOGLE-CLOUD-PLATFORM, US
 36352        2649        218     805  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        7707       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3994       3395     128  AKAMAI-ASN1, NL
  9009        3768        325    1958  M247, RO
 12389        3070       2303     888  ROSTELECOM-AS, RU
 34984        2363        360     581  TELLCOM-AS, TR
212238        2089        148    1539  CDNEXT, GB
  8452        1637       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1481         98     745  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       3245     585  UNINET, MX
 10620        3522        486     992  Telmex Colombia S.A., CO
 13999        2513        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1357       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1182        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         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        1742        607      31  RAYA-AS, EG
 24863        1644        389      16  LINKdotNET-AS, EG
 29571        1580        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1430       1518     287  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1037        523      45  Vodafone-, EG
 37069         932       1099      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         560        661     319  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       13150      39688    4100  AMAZON-02, US
  8151       11982       3245     585  UNINET, MX
  9808       10305       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7707       1714     145  UNI2-AS, ES
  7545        6210        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5338       8765     957  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4693        311     586  CABLEONE, US
 18403        4242        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        11397  UNINET, MX
  9808       10305        10217  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7707         7562  UNI2-AS, ES
  7545        6210         5558  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5338         4381  COGENT-174, US
 18403        4242         4217  FPT-AS-AP FPT Telecom Company, VN
 11492        4693         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
23.140.216.0/24      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      /12:301     
/13:584     /14:1230    /15:2183    /16:14002   /17:8354    /18:13924   
/19:24795   /20:44320   /21:52544   /22:113445  /23:105601  /24:615837  
/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        6629        7707  UNI2-AS, ES
  8151        6160       11982  UNINET, MX
 11492        3531        4693  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2787        3829  VIASAT-SP-BACKBONE, US
 22773        2534        3397  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2333       13150  AMAZON-02, US
 30036        2213        2553  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)
----------------------------------------------

   1:2342      2:1531      3:614       4:10        5:4917      6:163    
   7:6         8:1549      9:1        11:172      12:1370     13:351    
  14:2510     15:351      16:280      17:365      18:921      20:490    
  21:4        22:188      23:7449     24:2894     25:2        27:2760   
  29:19       31:3273     32:45       34:84       35:203      36:2403   
  37:4688     38:10053    39:897      40:160      41:4428     42:1906   
  43:2591     44:371      45:19175    46:5009     47:287      49:1932   
  50:1903     51:591      52:1554     54:298      55:1089     56:11     
  57:260      58:2206     59:1284     60:1171     61:2999     62:2991   
  63:1843     64:5531     65:2190     66:4706     67:3105     68:1125   
  69:4017     70:1069     71:627      72:2922     74:2821     75:1608   
  76:613      77:2847     78:1881     79:1744     80:2213     81:2051   
  82:3124     83:1433     84:1847     85:3410     86:1043     87:2408   
  88:1303     89:4339     90:777      91:8396     92:2790     93:2902   
  94:4090     95:4357     96:1442     97:313      98:996      99:643    
 100:71      101:1403    102:4128    103:32332   104:4776    105:1231   
 106:983     107:2613    108:1206    109:4136    110:2224    111:3361   
 112:2045    113:1817    114:1974    115:2249    116:2066    117:2736   
 118:2817    119:1958    120:1875    121:1367    122:2775    123:2405   
 124:1586    125:2862    126:91      128:1587    129:1029    130:1291   
 131:1967    132:787     133:451     134:1526    135:377     136:1289   
 137:1112    138:3055    139:1605    140:1580    141:1485    142:1929   
 143:1655    144:1058    145:521     146:2169    147:2110    148:2662   
 149:2980    150:1254    151:1740    152:2119    153:573     154:8259   
 155:1660    156:3212    157:1887    158:1278    159:2439    160:3644   
 161:1912    162:3746    163:2044    164:1728    165:2233    166:1452   
 167:1904    168:4242    169:798     170:5314    171:1003    172:4470   
 173:3256    174:910     175:1288    176:3742    177:5476    178:3854   
 179:2456    180:2628    181:4196    182:3335    183:2030    184:2146   
 185:21703   186:5480    187:4807    188:4211    189:4417    190:9864   
 191:1937    192:11221   193:9463    194:7844    195:5621    196:3644   
 197:3818    198:6092    199:8462    200:8515    201:6396    202:10453  
 203:10675   204:4535    205:3664    206:4620    207:3453    208:4221   
 209:5172    210:4593    211:2524    212:4574    213:3826    214:1031   
 215:48      216:6667    217:3176    218:1350    219:385     220:2084   
 221:1071    222:713     223:2320   

End of report


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