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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Mar 5 18:45:23 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Wed 05 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:                              994348
    Prefixes after maximum aggregation (per Origin AS):          373484
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476207
    Number of IPv4 prefixes with a valid ROA:                    546432
    Number of IPv4 prefixes with an invalid ROA:                    501
    Number of IPv4 prefixes with no ROA:                         447415
Total ASes present in the Internet Routing Table:                 76644
    Prefixes per ASN:                                             12.97
Origin-only ASes present in the Internet Routing Table:           65773
Origin ASes announcing only one prefix:                           26536
Transit ASes present in the Internet Routing Table:               10871
Transit-only ASes present in the Internet Routing Table:            542
Paths with bogon ASNs present in the IPv4 Routing Table:             78
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:              1018
    Number of instances of unregistered ASNs:                      1023
Number of 32-bit ASNs allocated by the RIRs:                      46211
Number of 32-bit ASNs visible in the Routing Table:               37915
Prefixes from 32-bit ASNs in the Routing Table:                  205529
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:            496
Number of addresses announced to Internet:                   3111344384
    Equivalent to 185 /8s, 115 /16s and 89 /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:      328385

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

Prefixes being announced by APNIC Region ASes:                   257007
    Total APNIC prefixes after maximum aggregation:               75860
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          248872
    Unique aggregates announced from the APNIC address blocks:   102565
APNIC Region origin ASes present in the Internet Routing Table:   14499
    APNIC Prefixes per ASN:                                       17.16
APNIC Region origin ASes announcing only one prefix:               4428
APNIC Region transit ASes present in the Internet Routing Table:   1926
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10011
Number of APNIC addresses announced to Internet:              749585920
    Equivalent to 44 /8s, 173 /16s and 198 /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:                    291031
    Total ARIN prefixes after maximum aggregation:               128290
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292264
    Unique aggregates announced from the ARIN address blocks:    136277
ARIN Region origin ASes present in the Internet Routing Table:    19207
    ARIN Prefixes per ASN:                                        15.22
ARIN Region origin ASes announcing only one prefix:                7029
ARIN Region transit ASes present in the Internet Routing Table:    1960
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:    5162
Number of ARIN addresses announced to Internet:              1350045952
    Equivalent to 80 /8s, 120 /16s and 17 /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:                    275736
    Total RIPE prefixes after maximum aggregation:               132527
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           273297
    Unique aggregates announced from the RIPE address blocks:    172851
RIPE Region origin ASes present in the Internet Routing Table:    28892
    RIPE Prefixes per ASN:                                         9.46
RIPE Region origin ASes announcing only one prefix:               12061
RIPE Region transit ASes present in the Internet Routing Table:    3952
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:   12306
Number of RIPE addresses announced to Internet:               732884736
    Equivalent to 43 /8s, 174 /16s and 239 /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:                  132172
    Total LACNIC prefixes after maximum aggregation:              29221
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128836
    Unique aggregates announced from the LACNIC address blocks:   48852
LACNIC Region origin ASes present in the Internet Routing Table:  11213
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2354
LACNIC Region transit ASes present in the Internet Routing Table:  2484
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:  9156
Number of LACNIC addresses announced to Internet:             173791744
    Equivalent to 10 /8s, 91 /16s and 218 /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:                  37384
    Total AfriNIC prefixes after maximum aggregation:              6944
    AfriNIC Deaggregation factor:                                  5.38
Prefixes being announced from the AfriNIC address blocks:         50583
    Unique aggregates announced from the AfriNIC address blocks:  15229
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     26.39
AfriNIC Region origin ASes announcing only one prefix:              664
AfriNIC Region transit ASes present in the Internet Routing Table:  382
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:            104794368
    Equivalent to 6 /8s, 63 /16s and 9 /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        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3674       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3269       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2843        855     530  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2172       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2149        434     192  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       12984      39647    3937  AMAZON-02, US
   174        5309       8765     944  COGENT-174, US
 11492        4704        312     566  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3376       3033     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3053       1300    2225  AKAMAI-AS, US
396982        2935       3660     453  GOOGLE-CLOUD-PLATFORM, US
 30036        2549        352     413  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        7769       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3996       3395     128  AKAMAI-ASN1, NL
  9009        3762        322    1926  M247, RO
 12389        2984       2303     894  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2028        146    1499  CDNEXT, GB
  8452        1619       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         98     747  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       11831       3235     592  UNINET, MX
 10620        3548        492     954  Telmex Colombia S.A., CO
 13999        2506        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        1330        781     212  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1168        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        1117        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        1575         99     103  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
  6713         558       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       12984      39647    3937  AMAZON-02, US
  8151       11831       3235     592  UNINET, MX
  9808       10324       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7769       1714     145  UNI2-AS, ES
  7545        6210        843     655  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5309       8765     944  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4704        312     566  CABLEONE, US
 18403        4391        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  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       11831        11239  UNINET, MX
  9808       10324        10236  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7769         7624  UNI2-AS, ES
  7545        6210         5555  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4391         4366  FPT-AS-AP FPT Telecom Company, VN
   174        5309         4365  COGENT-174, US
 11492        4704         4138  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4215         3942  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
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, 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

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    /16:14034   /17:8368    /18:13897   
/19:24764   /20:44418   /21:52620   /22:113398  /23:105158  /24:613218  
/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        6711        7769  UNI2-AS, ES
  8151        6001       11831  UNINET, MX
 11492        3555        4704  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2513        3376  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2343       12984  AMAZON-02, US
 30036        2211        2549  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        3548  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)
----------------------------------------------

   1:2332      2:1524      3:581       4:10        5:4845      6:167    
   7:6         8:1551      9:1        11:172      12:1374     13:350    
  14:2510     15:350      16:277      17:361      18:925      20:462    
  21:4        22:188      23:7340     24:2765     25:2        27:2741   
  29:19       31:3218     32:43       34:82       35:202      36:2415   
  37:4635     38:10060    39:898      40:154      41:4476     42:2000   
  43:2545     44:355      45:19104    46:5033     47:288      49:1985   
  50:1889     51:589      52:1567     54:301      55:1070     56:9      
  57:252      58:2223     59:1204     60:1166     61:2999     62:2991   
  63:1842     64:5546     65:2191     66:4705     67:3072     68:1119   
  69:4004     70:1106     71:615      72:2937     74:2804     75:1652   
  76:611      77:2795     78:1869     79:1727     80:2209     81:2040   
  82:2726     83:1411     84:1817     85:3365     86:1029     87:2419   
  88:1304     89:4323     90:781      91:8395     92:2801     93:2908   
  94:3923     95:4280     96:1407     97:318      98:976      99:740    
 100:71      101:1401    102:4098    103:32335   104:4814    105:1231   
 106:996     107:2587    108:1215    109:4148    110:2222    111:3328   
 112:2047    113:1813    114:1947    115:2199    116:2078    117:2752   
 118:2807    119:1958    120:1882    121:1359    122:2782    123:2321   
 124:1585    125:2870    126:88      128:1597    129:1028    130:1300   
 131:1910    132:790     133:450     134:1530    135:373     136:1311   
 137:1117    138:3055    139:1624    140:1554    141:1477    142:1853   
 143:1656    144:1035    145:474     146:2157    147:2078    148:2603   
 149:2955    150:1245    151:1959    152:2122    153:574     154:8054   
 155:1637    156:3278    157:1907    158:1273    159:2423    160:3646   
 161:1962    162:3704    163:1878    164:1730    165:2203    166:1382   
 167:1901    168:4214    169:800     170:5299    171:1002    172:4453   
 173:3243    174:913     175:1281    176:3702    177:5487    178:3837   
 179:2389    180:2612    181:4125    182:3370    183:2051    184:2308   
 185:21664   186:5415    187:4711    188:4231    189:4403    190:9800   
 191:1976    192:11166   193:9429    194:7809    195:5608    196:3553   
 197:3762    198:6128    199:8394    200:8471    201:6411    202:10437  
 203:10671   204:4545    205:3660    206:4616    207:3470    208:4206   
 209:5203    210:4582    211:2524    212:4543    213:3800    214:1058   
 215:42      216:6630    217:3172    218:1350    219:386     220:2104   
 221:1055    222:715     223:2316   

End of report


More information about the ren-bgp-stats-all mailing list