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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Mar 11 18:45:17 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Tue 11 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:                              996083
    Prefixes after maximum aggregation (per Origin AS):          374152
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      475970
    Number of IPv4 prefixes with a valid ROA:                    546815
    Number of IPv4 prefixes with an invalid ROA:                   1787
    Number of IPv4 prefixes with no ROA:                         447481
Total ASes present in the Internet Routing Table:                 76685
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65813
Origin ASes announcing only one prefix:                           26496
Transit ASes present in the Internet Routing Table:               10872
Transit-only ASes present in the Internet Routing Table:            537
Paths with bogon ASNs present in the IPv4 Routing Table:            105
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:              1022
    Number of instances of unregistered ASNs:                      1041
Number of 32-bit ASNs allocated by the RIRs:                      46190
Number of 32-bit ASNs visible in the Routing Table:               37954
Prefixes from 32-bit ASNs in the Routing Table:                  205758
Number of bogon 32-bit ASNs visible in the Routing Table:            68
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            490
Number of addresses announced to Internet:                   3111266560
    Equivalent to 185 /8s, 114 /16s and 41 /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:      329235

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

Prefixes being announced by APNIC Region ASes:                   257801
    Total APNIC prefixes after maximum aggregation:               76117
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          249635
    Unique aggregates announced from the APNIC address blocks:   102716
APNIC Region origin ASes present in the Internet Routing Table:   14520
    APNIC Prefixes per ASN:                                       17.19
APNIC Region origin ASes announcing only one prefix:               4409
APNIC Region transit ASes present in the Internet Routing Table:   1936
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:  10039
Number of APNIC addresses announced to Internet:              749615360
    Equivalent to 44 /8s, 174 /16s and 57 /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:                    291406
    Total ARIN prefixes after maximum aggregation:               128489
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292734
    Unique aggregates announced from the ARIN address blocks:    136442
ARIN Region origin ASes present in the Internet Routing Table:    19210
    ARIN Prefixes per ASN:                                        15.24
ARIN Region origin ASes announcing only one prefix:                7018
ARIN Region transit ASes present in the Internet Routing Table:    1959
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:    5159
Number of ARIN addresses announced to Internet:              1351261184
    Equivalent to 80 /8s, 138 /16s and 156 /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:                    275996
    Total RIPE prefixes after maximum aggregation:               132657
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           273546
    Unique aggregates announced from the RIPE address blocks:    172999
RIPE Region origin ASes present in the Internet Routing Table:    28913
    RIPE Prefixes per ASN:                                         9.46
RIPE Region origin ASes announcing only one prefix:               12060
RIPE Region transit ASes present in the Internet Routing Table:    3954
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:   12319
Number of RIPE addresses announced to Internet:               732201216
    Equivalent to 43 /8s, 164 /16s and 129 /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:                  132325
    Total LACNIC prefixes after maximum aggregation:              29296
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128903
    Unique aggregates announced from the LACNIC address blocks:   48839
LACNIC Region origin ASes present in the Internet Routing Table:  11218
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2353
LACNIC Region transit ASes present in the Internet Routing Table:  2469
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:  9162
Number of LACNIC addresses announced to Internet:             172741120
    Equivalent to 10 /8s, 75 /16s and 210 /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:                  37533
    Total AfriNIC prefixes after maximum aggregation:              6947
    AfriNIC Deaggregation factor:                                  5.40
Prefixes being announced from the AfriNIC address blocks:         50775
    Unique aggregates announced from the AfriNIC address blocks:  14547
AfriNIC Region origin ASes present in the Internet Routing Table:  1911
    AfriNIC Prefixes per ASN:                                     26.57
AfriNIC Region origin ASes announcing only one prefix:              656
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:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275
Number of AfriNIC addresses announced to Internet:            105207552
    Equivalent to 6 /8s, 69 /16s and 87 /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        6208        843     654  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4400        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4254        530     277  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3856       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3692       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3273       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2842        849     539  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2207       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       12919      39641    3938  AMAZON-02, US
   174        5532       8768     958  COGENT-174, US
 11492        4673        310     589  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3381       3033     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3050       1291    2222  AKAMAI-AS, US
396982        2943       3660     456  GOOGLE-CLOUD-PLATFORM, US
 30036        2546        350     421  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        7774       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3985       3395     128  AKAMAI-ASN1, NL
  9009        3782        323    1947  M247, RO
 12389        2981       2303     890  ROSTELECOM-AS, RU
 34984        2368        361     581  TELLCOM-AS, TR
212238        2022        143    1489  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1587       1852      14  TE-AS TE-AS, EG
 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       11808       3239     588  UNINET, MX
 10620        3523        487     970  Telmex Colombia S.A., CO
 13999        2504        539     374  Mega Cable, S.A. de C.V., MX
 11830        1992        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        1203        371      22  Telefonica del Peru S.A.A., PE
 11664        1172        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1124         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1104        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        1683        599      30  RAYA-AS, EG
 24863        1619        389      16  LINKdotNET-AS, EG
 29571        1582        100     104  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        1022        523      45  Vodafone-, EG
 37069         855       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  6713         559       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       12919      39641    3938  AMAZON-02, US
  8151       11808       3239     588  UNINET, MX
  9808       10325       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7774       1714     145  UNI2-AS, ES
  7545        6208        843     654  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5532       8768     958  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4673        310     589  CABLEONE, US
 18403        4400        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4254        530     277  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       11808        11220  UNINET, MX
  9808       10325        10237  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7774         7629  UNI2-AS, ES
  7545        6208         5554  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5532         4574  COGENT-174, US
 18403        4400         4375  FPT-AS-AP FPT Telecom Company, VN
  7155        4175         4092  VIASAT-SP-BACKBONE, US
 11492        4673         4084  CABLEONE, US
  9498        4254         3977  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     /14:1230    /15:2186    /16:14045   /17:8367    /18:13905   
/19:24793   /20:44401   /21:52562   /22:113340  /23:105350  /24:614848  
/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        6714        7774  UNI2-AS, ES
  8151        6005       11808  UNINET, MX
 11492        3527        4673  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2518        3381  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2341       12919  AMAZON-02, US
 30036        2206        2546  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        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)
----------------------------------------------

   1:2362      2:1524      3:585       4:10        5:4859      6:162    
   7:6         8:1586      9:1        11:172      12:1375     13:346    
  14:2517     15:349      16:279      17:362      18:923      20:468    
  21:4        22:188      23:7346     24:3061     25:2        27:2742   
  29:19       31:3221     32:43       34:83       35:203      36:2413   
  37:4654     38:10238    39:897      40:157      41:4478     42:2009   
  43:2561     44:357      45:19111    46:5057     47:287      49:1999   
  50:1892     51:590      52:1560     54:302      55:1070     56:9      
  57:254      58:2220     59:1235     60:1166     61:3011     62:3001   
  63:1839     64:5528     65:2185     66:4704     67:3054     68:1122   
  69:4000     70:1113     71:617      72:2937     74:2807     75:1652   
  76:613      77:2800     78:1873     79:1736     80:2225     81:2036   
  82:2770     83:1414     84:1821     85:3366     86:1032     87:2425   
  88:1299     89:4337     90:782      91:8406     92:2796     93:2911   
  94:3925     95:4271     96:1412     97:319      98:971      99:739    
 100:71      101:1394    102:4101    103:32470   104:4803    105:1230   
 106:999     107:2585    108:1218    109:4156    110:2224    111:3329   
 112:2041    113:1815    114:1950    115:2208    116:2076    117:2754   
 118:2805    119:1964    120:1882    121:1368    122:2764    123:2320   
 124:1585    125:2891    126:86      128:1587    129:1034    130:1299   
 131:1927    132:780     133:451     134:1529    135:374     136:1283   
 137:1122    138:3055    139:1616    140:1559    141:1482    142:1850   
 143:1669    144:1053    145:482     146:2160    147:2077    148:2607   
 149:2940    150:1247    151:1943    152:2131    153:574     154:8107   
 155:1645    156:3310    157:1912    158:1275    159:2433    160:3630   
 161:1970    162:3691    163:1908    164:1739    165:2207    166:1393   
 167:1904    168:4221    169:799     170:5301    171:999     172:4455   
 173:3248    174:913     175:1282    176:3696    177:5509    178:3842   
 179:2401    180:2610    181:4160    182:3371    183:2054    184:2309   
 185:21691   186:5447    187:4753    188:4237    189:4423    190:9845   
 191:1947    192:11183   193:9446    194:7812    195:5633    196:3580   
 197:3820    198:6129    199:8397    200:8499    201:6461    202:10509  
 203:10702   204:4511    205:3606    206:4618    207:3457    208:4195   
 209:5182    210:4638    211:2530    212:4552    213:3827    214:1048   
 215:42      216:6645    217:3176    218:1350    219:387     220:2103   
 221:1056    222:714     223:2320   

End of report


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