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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Mar 24 18:45:24 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Mon 24 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:                              997196
    Prefixes after maximum aggregation (per Origin AS):          374712
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      475877
    Number of IPv4 prefixes with a valid ROA:                    549101
    Number of IPv4 prefixes with an invalid ROA:                   1555
    Number of IPv4 prefixes with no ROA:                         446540
Total ASes present in the Internet Routing Table:                 76719
    Prefixes per ASN:                                             13.00
Origin-only ASes present in the Internet Routing Table:           65837
Origin ASes announcing only one prefix:                           26492
Transit ASes present in the Internet Routing Table:               10882
Transit-only ASes present in the Internet Routing Table:            528
Paths with bogon ASNs present in the IPv4 Routing Table:             94
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:              1041
    Number of instances of unregistered ASNs:                      1045
Number of 32-bit ASNs allocated by the RIRs:                      46129
Number of 32-bit ASNs visible in the Routing Table:               38033
Prefixes from 32-bit ASNs in the Routing Table:                  206518
Number of bogon 32-bit ASNs visible in the Routing Table:            38
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            519
Number of addresses announced to Internet:                   3108902144
    Equivalent to 185 /8s, 78 /16s and 21 /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:      329331

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

Prefixes being announced by APNIC Region ASes:                   257785
    Total APNIC prefixes after maximum aggregation:               76236
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          249445
    Unique aggregates announced from the APNIC address blocks:   102667
APNIC Region origin ASes present in the Internet Routing Table:   14543
    APNIC Prefixes per ASN:                                       17.15
APNIC Region origin ASes announcing only one prefix:               4427
APNIC Region transit ASes present in the Internet Routing Table:   1928
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         49
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10065
Number of APNIC addresses announced to Internet:              749165056
    Equivalent to 44 /8s, 167 /16s and 90 /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:                    292131
    Total ARIN prefixes after maximum aggregation:               128646
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           293188
    Unique aggregates announced from the ARIN address blocks:    136738
ARIN Region origin ASes present in the Internet Routing Table:    19196
    ARIN Prefixes per ASN:                                        15.27
ARIN Region origin ASes announcing only one prefix:                7016
ARIN Region transit ASes present in the Internet Routing Table:    1954
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:    5158
Number of ARIN addresses announced to Internet:              1350264576
    Equivalent to 80 /8s, 123 /16s and 103 /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:                    276086
    Total RIPE prefixes after maximum aggregation:               132968
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           273981
    Unique aggregates announced from the RIPE address blocks:    173616
RIPE Region origin ASes present in the Internet Routing Table:    28920
    RIPE Prefixes per ASN:                                         9.47
RIPE Region origin ASes announcing only one prefix:               12039
RIPE Region transit ASes present in the Internet Routing Table:    3963
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12354
Number of RIPE addresses announced to Internet:               732457984
    Equivalent to 43 /8s, 168 /16s and 108 /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:                  132707
    Total LACNIC prefixes after maximum aggregation:              29332
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         129134
    Unique aggregates announced from the LACNIC address blocks:   48830
LACNIC Region origin ASes present in the Internet Routing Table:  11227
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2348
LACNIC Region transit ASes present in the Internet Routing Table:  2481
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:  9172
Number of LACNIC addresses announced to Internet:             171653632
    Equivalent to 10 /8s, 59 /16s and 58 /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:                  37446
    Total AfriNIC prefixes after maximum aggregation:              6868
    AfriNIC Deaggregation factor:                                  5.45
Prefixes being announced from the AfriNIC address blocks:         50929
    Unique aggregates announced from the AfriNIC address blocks:  13582
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     26.54
AfriNIC Region origin ASes announcing only one prefix:              662
AfriNIC Region transit ASes present in the Internet Routing Table:  383
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: 1284
Number of AfriNIC addresses announced to Internet:            105110528
    Equivalent to 6 /8s, 67 /16s and 220 /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       10327       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6208        843     651  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4270        530     276  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4231        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3848       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3692       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3267       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2843        847     540  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2206       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2169        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       12955      39644    3998  AMAZON-02, US
   174        5473       8765     957  COGENT-174, US
 11492        4675        310     585  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3380       3034     182  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3070       1293    2231  AKAMAI-AS, US
396982        2944       3660     457  GOOGLE-CLOUD-PLATFORM, US
 36352        2569        213     804  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        7753       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3987       3395     128  AKAMAI-ASN1, NL
  9009        3777        326    1955  M247, RO
 12389        3005       2303     890  ROSTELECOM-AS, RU
 34984        2367        360     583  TELLCOM-AS, TR
212238        2054        147    1514  CDNEXT, GB
  8452        1615       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         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       11899       3241     581  UNINET, MX
 10620        3523        486     970  Telmex Colombia S.A., CO
 13999        2509        539     368  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1350       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1166        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1070        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        1703        599      30  RAYA-AS, EG
 24863        1629        389      16  LINKdotNET-AS, EG
 29571        1566        102      23  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        1006        521      42  Vodafone-, EG
 37069         910       1084      18  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         562        661     321  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       12955      39644    3998  AMAZON-02, US
  8151       11899       3241     581  UNINET, MX
  9808       10327       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7753       1714     145  UNI2-AS, ES
  7545        6208        843     651  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5473       8765     957  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
  9498        4270        530     276  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4231        347      25  FPT-AS-AP FPT Telecom Company, VN

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       11899        11318  UNINET, MX
  9808       10327        10239  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7753         7608  UNI2-AS, ES
  7545        6208         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5473         4516  COGENT-174, US
 18403        4231         4206  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4675         4090  CABLEONE, US
  9498        4270         3994  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      /10:41      /11:93      /12:303     
/13:584     /14:1229    /15:2187    /16:14038   /17:8374    /18:13923   
/19:24839   /20:44447   /21:52533   /22:113465  /23:105494  /24:615614  
/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        6686        7753  UNI2-AS, ES
  8151        6071       11899  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2516        3380  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2335       12955  AMAZON-02, US
 30036        2214        2553  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        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)
----------------------------------------------

   1:2349      2:1528      3:599       4:10        5:4862      6:163    
   7:6         8:1553      9:1        11:172      12:1372     13:350    
  14:2511     15:351      16:279      17:358      18:913      20:470    
  21:4        22:188      23:7357     24:3063     25:2        27:2761   
  29:19       31:3254     32:45       34:83       35:205      36:2404   
  37:4750     38:10184    39:899      40:154      41:4409     42:1921   
  43:2577     44:356      45:19282    46:4978     47:289      49:1993   
  50:1896     51:584      52:1556     54:300      55:1077     56:11     
  57:260      58:2201     59:1337     60:1169     61:3007     62:3009   
  63:1849     64:5524     65:2197     66:4682     67:3050     68:1117   
  69:3990     70:1112     71:622      72:2925     74:2838     75:1661   
  76:613      77:2810     78:1872     79:1743     80:2233     81:2027   
  82:2889     83:1428     84:1821     85:3388     86:1046     87:2417   
  88:1300     89:4338     90:784      91:8406     92:2799     93:2896   
  94:4044     95:4267     96:1425     97:314      98:994      99:740    
 100:71      101:1306    102:4037    103:32435   104:4826    105:1225   
 106:997     107:2594    108:1209    109:3918    110:2230    111:3335   
 112:2044    113:1808    114:1955    115:2205    116:2075    117:2746   
 118:2783    119:1957    120:1879    121:1367    122:2769    123:2360   
 124:1586    125:2870    126:86      128:1587    129:1031    130:1305   
 131:1955    132:786     133:451     134:1526    135:375     136:1288   
 137:1121    138:3058    139:1630    140:1569    141:1483    142:1845   
 143:1673    144:1058    145:486     146:2167    147:2100    148:2621   
 149:2965    150:1258    151:2036    152:2119    153:574     154:8184   
 155:1638    156:3332    157:1917    158:1274    159:2428    160:3616   
 161:1989    162:3728    163:1962    164:1725    165:2231    166:1416   
 167:1908    168:4246    169:802     170:5341    171:1001    172:4468   
 173:3258    174:911     175:1283    176:3722    177:5496    178:3887   
 179:2497    180:2620    181:4174    182:3371    183:2033    184:2302   
 185:21679   186:5460    187:4772    188:4250    189:4372    190:9832   
 191:1995    192:11181   193:9463    194:7843    195:5641    196:3588   
 197:3803    198:6119    199:8422    200:8536    201:6399    202:10478  
 203:10697   204:4534    205:3666    206:4614    207:3458    208:4211   
 209:5189    210:4597    211:2523    212:4555    213:3816    214:1055   
 215:48      216:6636    217:3168    218:1346    219:387     220:2083   
 221:1070    222:716     223:2320   

End of report


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