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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Mar 13 18:45:22 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 13 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:                              996039
    Prefixes after maximum aggregation (per Origin AS):          374263
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476811
    Number of IPv4 prefixes with a valid ROA:                    547368
    Number of IPv4 prefixes with an invalid ROA:                   1581
    Number of IPv4 prefixes with no ROA:                         447090
Total ASes present in the Internet Routing Table:                 76694
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65824
Origin ASes announcing only one prefix:                           26522
Transit ASes present in the Internet Routing Table:               10870
Transit-only ASes present in the Internet Routing Table:            534
Paths with bogon ASNs present in the IPv4 Routing Table:             91
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1078
    Number of instances of unregistered ASNs:                      1082
Number of 32-bit ASNs allocated by the RIRs:                      46137
Number of 32-bit ASNs visible in the Routing Table:               37977
Prefixes from 32-bit ASNs in the Routing Table:                  205894
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:            545
Number of addresses announced to Internet:                   3111119616
    Equivalent to 185 /8s, 111 /16s and 235 /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:      329000

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

Prefixes being announced by APNIC Region ASes:                   257862
    Total APNIC prefixes after maximum aggregation:               76132
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          249616
    Unique aggregates announced from the APNIC address blocks:   102765
APNIC Region origin ASes present in the Internet Routing Table:   14526
    APNIC Prefixes per ASN:                                       17.18
APNIC Region origin ASes announcing only one prefix:               4423
APNIC Region transit ASes present in the Internet Routing Table:   1942
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:  10043
Number of APNIC addresses announced to Internet:              749468416
    Equivalent to 44 /8s, 171 /16s and 251 /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:                    291528
    Total ARIN prefixes after maximum aggregation:               128468
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292764
    Unique aggregates announced from the ARIN address blocks:    136522
ARIN Region origin ASes present in the Internet Routing Table:    19200
    ARIN Prefixes per ASN:                                        15.25
ARIN Region origin ASes announcing only one prefix:                7018
ARIN Region transit ASes present in the Internet Routing Table:    1956
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:    5161
Number of ARIN addresses announced to Internet:              1351179264
    Equivalent to 80 /8s, 137 /16s and 92 /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:                    276058
    Total RIPE prefixes after maximum aggregation:               132769
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           273765
    Unique aggregates announced from the RIPE address blocks:    173421
RIPE Region origin ASes present in the Internet Routing Table:    28915
    RIPE Prefixes per ASN:                                         9.47
RIPE Region origin ASes announcing only one prefix:               12053
RIPE Region transit ASes present in the Internet Routing Table:    3948
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:   12330
Number of RIPE addresses announced to Internet:               732271360
    Equivalent to 43 /8s, 165 /16s and 147 /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:                  132016
    Total LACNIC prefixes after maximum aggregation:              29286
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128671
    Unique aggregates announced from the LACNIC address blocks:   48755
LACNIC Region origin ASes present in the Internet Routing Table:  11205
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2364
LACNIC Region transit ASes present in the Internet Routing Table:  2470
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:  9161
Number of LACNIC addresses announced to Internet:             172804352
    Equivalent to 10 /8s, 76 /16s and 201 /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:                  37497
    Total AfriNIC prefixes after maximum aggregation:              6933
    AfriNIC Deaggregation factor:                                  5.41
Prefixes being announced from the AfriNIC address blocks:         50678
    Unique aggregates announced from the AfriNIC address blocks:  14890
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     26.41
AfriNIC Region origin ASes announcing only one prefix:              664
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: 1282
Number of AfriNIC addresses announced to Internet:            105137152
    Equivalent to 6 /8s, 68 /16s and 68 /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       10323       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6207        843     654  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4392        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4257        530     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922       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        2840        847     540  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2207       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       12931      39643    3959  AMAZON-02, US
   174        5518       8767     959  COGENT-174, US
 11492        4675        310     585  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3380       3033     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3038       1282    2211  AKAMAI-AS, US
396982        2943       3660     456  GOOGLE-CLOUD-PLATFORM, US
 30036        2544        350     420  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        7754       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3983       3395     128  AKAMAI-ASN1, NL
  9009        3772        323    1946  M247, RO
 12389        3002       2303     890  ROSTELECOM-AS, RU
 34984        2369        361     582  TELLCOM-AS, TR
212238        2039        146    1505  CDNEXT, GB
  8452        1607       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1485         98     744  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       11852       3242     587  UNINET, MX
 10620        3523        487     970  Telmex Colombia S.A., CO
 13999        2501        538     370  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        1196        371      22  Telefonica del Peru S.A.A., PE
 11664        1156        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1092        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        1570         99      94  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         855       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         561        661     320  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       12931      39643    3959  AMAZON-02, US
  8151       11852       3242     587  UNINET, MX
  9808       10323       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7754       1714     145  UNI2-AS, ES
  7545        6207        843     654  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5518       8767     959  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
 18403        4392        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4257        530     276  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       11852        11265  UNINET, MX
  9808       10323        10235  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7754         7609  UNI2-AS, ES
  7545        6207         5553  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5518         4559  COGENT-174, US
 18403        4392         4367  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4675         4090  CABLEONE, US
  9498        4257         3981  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
23.138.40.0/22       Origin:       964  IONSWITCH-NW, US
23.138.40.0/22      Transit:     20055  AS-WHOLESAIL, US
23.138.41.0/24       Origin:       964  IONSWITCH-NW, US
23.138.41.0/24      Transit:     20055  AS-WHOLESAIL, 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    /15:2187    /16:14038   /17:8364    /18:13912   
/19:24773   /20:44352   /21:52521   /22:113238  /23:105304  /24:615065  
/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        6692        7754  UNI2-AS, ES
  8151        6024       11852  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2517        3380  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2328       12931  AMAZON-02, US
 30036        2205        2544  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)
----------------------------------------------

   1:2360      2:1527      3:592       4:10        5:4858      6:162    
   7:6         8:1553      9:1        11:172      12:1375     13:348    
  14:2510     15:349      16:279      17:362      18:923      20:469    
  21:4        22:188      23:7347     24:3065     25:2        27:2742   
  29:19       31:3233     32:43       34:83       35:203      36:2406   
  37:4654     38:10234    39:899      40:158      41:4484     42:1983   
  43:2575     44:356      45:19190    46:5057     47:288      49:1998   
  50:1894     51:590      52:1556     54:302      55:1069     56:9      
  57:254      58:2221     59:1246     60:1165     61:3011     62:3005   
  63:1845     64:5528     65:2182     66:4693     67:3045     68:1119   
  69:3992     70:1112     71:623      72:2937     74:2806     75:1657   
  76:614      77:2806     78:1868     79:1736     80:2227     81:2040   
  82:2793     83:1411     84:1819     85:3379     86:1035     87:2423   
  88:1301     89:4339     90:784      91:8411     92:2792     93:2902   
  94:3925     95:4280     96:1414     97:317      98:985      99:738    
 100:71      101:1393    102:4082    103:32460   104:4831    105:1226   
 106:998     107:2584    108:1213    109:4168    110:2231    111:3328   
 112:2042    113:1815    114:1951    115:2206    116:2078    117:2757   
 118:2804    119:1965    120:1881    121:1366    122:2765    123:2325   
 124:1586    125:2891    126:87      128:1583    129:1033    130:1303   
 131:1926    132:781     133:451     134:1528    135:374     136:1293   
 137:1121    138:3047    139:1625    140:1563    141:1486    142:1849   
 143:1667    144:1065    145:486     146:2160    147:2092    148:2607   
 149:2953    150:1252    151:2159    152:2131    153:574     154:8117   
 155:1647    156:3195    157:1917    158:1274    159:2428    160:3626   
 161:1975    162:3699    163:1911    164:1736    165:2206    166:1398   
 167:1906    168:4233    169:801     170:5302    171:1000    172:4451   
 173:3248    174:912     175:1282    176:3725    177:5468    178:3867   
 179:2455    180:2617    181:4165    182:3369    183:2055    184:2311   
 185:21695   186:5452    187:4739    188:4238    189:4337    190:9837   
 191:1931    192:11176   193:9451    194:7833    195:5641    196:3581   
 197:3812    198:6142    199:8400    200:8498    201:6409    202:10508  
 203:10696   204:4512    205:3636    206:4617    207:3456    208:4194   
 209:5187    210:4599    211:2524    212:4553    213:3805    214:1060   
 215:42      216:6634    217:3168    218:1345    219:386     220:2102   
 221:1056    222:716     223:2321   

End of report


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