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

REN Routing Table Report cscora at bgp.nsrc.org
Tue May 6 18:45:26 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Tue 06 May, 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:                              999763
    Prefixes after maximum aggregation (per Origin AS):          377694
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      478910
    Number of IPv4 prefixes with a valid ROA:                    554871
    Number of IPv4 prefixes with an invalid ROA:                    791
    Number of IPv4 prefixes with no ROA:                         444101
Total ASes present in the Internet Routing Table:                 76829
    Prefixes per ASN:                                             13.01
Origin-only ASes present in the Internet Routing Table:           65885
Origin ASes announcing only one prefix:                           26593
Transit ASes present in the Internet Routing Table:               10944
Transit-only ASes present in the Internet Routing Table:            545
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:              1068
    Number of instances of unregistered ASNs:                      1069
Number of 32-bit ASNs allocated by the RIRs:                      46340
Number of 32-bit ASNs visible in the Routing Table:               38213
Prefixes from 32-bit ASNs in the Routing Table:                  207774
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            472
Number of addresses announced to Internet:                   3110321152
    Equivalent to 185 /8s, 99 /16s and 188 /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:      330472

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

Prefixes being announced by APNIC Region ASes:                   258670
    Total APNIC prefixes after maximum aggregation:               76778
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249770
    Unique aggregates announced from the APNIC address blocks:   103051
APNIC Region origin ASes present in the Internet Routing Table:   14583
    APNIC Prefixes per ASN:                                       17.13
APNIC Region origin ASes announcing only one prefix:               4451
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:                         45
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10113
Number of APNIC addresses announced to Internet:              748456704
    Equivalent to 44 /8s, 156 /16s and 139 /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:                    292445
    Total ARIN prefixes after maximum aggregation:               130040
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           294108
    Unique aggregates announced from the ARIN address blocks:    138432
ARIN Region origin ASes present in the Internet Routing Table:    19223
    ARIN Prefixes per ASN:                                        15.30
ARIN Region origin ASes announcing only one prefix:                7040
ARIN Region transit ASes present in the Internet Routing Table:    1962
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          36
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5200
Number of ARIN addresses announced to Internet:              1353039616
    Equivalent to 80 /8s, 165 /16s and 191 /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:                    277174
    Total RIPE prefixes after maximum aggregation:               133915
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274632
    Unique aggregates announced from the RIPE address blocks:    174299
RIPE Region origin ASes present in the Internet Routing Table:    28956
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12048
RIPE Region transit ASes present in the Internet Routing Table:    3979
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          25
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12442
Number of RIPE addresses announced to Internet:               731521536
    Equivalent to 43 /8s, 154 /16s and 34 /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:                  132520
    Total LACNIC prefixes after maximum aggregation:              29466
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128828
    Unique aggregates announced from the LACNIC address blocks:   48781
LACNIC Region origin ASes present in the Internet Routing Table:  11233
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2396
LACNIC Region transit ASes present in the Internet Routing Table:  2488
Average LACNIC Region AS path length visible:                       5.5
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9176
Number of LACNIC addresses announced to Internet:             171771136
    Equivalent to 10 /8s, 61 /16s and 5 /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:                  37886
    Total AfriNIC prefixes after maximum aggregation:              6862
    AfriNIC Deaggregation factor:                                  5.52
Prefixes being announced from the AfriNIC address blocks:         51953
    Unique aggregates announced from the AfriNIC address blocks:  13958
AfriNIC Region origin ASes present in the Internet Routing Table:  1915
    AfriNIC Prefixes per ASN:                                     27.13
AfriNIC Region origin ASes announcing only one prefix:              658
AfriNIC Region transit ASes present in the Internet Routing Table:  378
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet:            105307136
    Equivalent to 6 /8s, 70 /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       10543       8754      87  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4291        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4239        531     277  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3907       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3693       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3267       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2860        851     536  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2189      11523     649  KIXS-AS-KR Korea Telecom, KR
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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       13334      40827    4512  AMAZON-02, US
   174        5438       8751     902  COGENT-174, US
 11492        4710        312     594  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3355       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54863    2505  DNIC-AS-00749, US
 16625        3096       1295    2252  AKAMAI-AS, US
396982        2956       3657     470  GOOGLE-CLOUD-PLATFORM, US
 36352        2776        227     860  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        7714       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4023       3395     126  AKAMAI-ASN1, NL
  9009        3804        328    1980  M247, RO
 12389        3071       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2132        150    1573  CDNEXT, GB
  8452        1646       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1420         94     736  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       12070       3249     586  UNINET, MX
 10620        3523        486     995  Telmex Colombia S.A., CO
 13999        2512        540     362  Mega Cable, S.A. de C.V., MX
 11830        1989        369      64  Instituto Costarricense de Electricidad y
 28573        1359       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        784     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1197        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1191        371      22  Telefonica del Peru S.A.A., PE
 28202        1129         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1057         67     380  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1744        631      30  RAYA-AS, EG
 24863        1651        389      16  LINKdotNET-AS, EG
 29571        1600        103      23  ORANGE-COTE-IVOIRE, CI
 36992        1431       1518     283  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1036        523      45  Vodafone-, EG
 37069         932       1099      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         560        661     319  IS, ZA

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13334      40827    4512  AMAZON-02, US
  8151       12070       3249     586  UNINET, MX
  9808       10543       8754      87  CHINAMOBILE-CN China Mobile Communication
 12479        7714       1714     148  UNI2-AS, ES
  7545        6211        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5438       8751     902  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4710        312     594  CABLEONE, US
 18403        4291        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4239        531     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       12070        11484  UNINET, MX
  9808       10543        10456  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7714         7566  UNI2-AS, ES
  7545        6211         5559  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5438         4536  COGENT-174, US
 18403        4291         4266  FPT-AS-AP FPT Telecom Company, VN
 11492        4710         4116  CABLEONE, US
  9498        4239         3962  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4023         3897  AKAMAI-ASN1, NL

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
     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
     46639  UNALLOCATED  8.38.73.0/24              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      /12:300     
/13:583     /14:1228    /15:2186    /16:14059   /17:8344    /18:13913   
/19:24798   /20:44282   /21:52508   /22:113337  /23:105828  /24:618231  
/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        6635        7714  UNI2-AS, ES
  8151        6249       12070  UNINET, MX
 11492        3530        4710  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2505        3355  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2330       13334  AMAZON-02, US
 30036        2212        2552  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2189        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)
----------------------------------------------

   1:2345      2:1520      3:687       4:10        5:4980      6:162    
   7:6         8:1588      9:1        11:172      12:1366     13:370    
  14:2515     15:355      16:283      17:367      18:921      20:523    
  21:4        22:188      23:7530     24:2894     25:2        27:2774   
  29:19       31:3285     32:45       33:1        34:84       35:203    
  36:2578     37:4717     38:10299    39:907      40:168      41:4405   
  42:1948     43:2591     44:376      45:19270    46:5060     47:294    
  49:1944     50:1892     51:591      52:1553     54:302      55:1086   
  56:11       57:266      58:2204     59:1282     60:1170     61:2992   
  62:3007     63:1835     64:5506     65:2186     66:4716     67:3107   
  68:1130     69:3996     70:1092     71:631      72:2939     74:2798   
  75:1620     76:616      77:2833     78:1883     79:1756     80:2219   
  81:2071     82:3206     83:1444     84:1852     85:3436     86:1050   
  87:2410     88:1303     89:4354     90:782      91:8416     92:2724   
  93:2906     94:4113     95:4352     96:1472     97:316      98:983    
  99:671     100:72      101:1409    102:4314    103:32343   104:4822   
 105:1230    106:1031    107:2624    108:1216    109:4115    110:2229   
 111:3351    112:2056    113:1807    114:1975    115:2251    116:2077   
 117:2610    118:2817    119:1957    120:1885    121:1369    122:2777   
 123:2404    124:1590    125:2853    126:91      128:1593    129:1016   
 130:1318    131:2008    132:779     133:451     134:1542    135:377    
 136:1312    137:1124    138:3068    139:1618    140:1592    141:1499   
 142:1928    143:1708    144:1083    145:508     146:2167    147:2102   
 148:2696    149:2914    150:1260    151:1835    152:2113    153:563    
 154:8530    155:1693    156:3377    157:1894    158:1300    159:2438   
 160:3653    161:1893    162:3730    163:2134    164:1732    165:2227   
 166:1467    167:1914    168:4226    169:798     170:5309    171:1007   
 172:4406    173:3279    174:907     175:1301    176:3725    177:5451   
 178:3709    179:2458    180:2636    181:4197    182:3388    183:2039   
 184:2114    185:21721   186:5519    187:4801    188:4232    189:4460   
 190:9855    191:1927    192:11241   193:9520    194:7847    195:5628   
 196:3662    197:3810    198:6130    199:8485    200:8533    201:6402   
 202:10354   203:10702   204:4525    205:3614    206:4615    207:3451   
 208:4282    209:5208    210:4618    211:2531    212:4563    213:3762   
 214:1027    215:48      216:6751    217:3202    218:1354    219:386    
 220:2086    221:1087    222:718     223:2356   

End of report


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