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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Mar 27 18:45:25 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 27 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:                              998098
    Prefixes after maximum aggregation (per Origin AS):          374959
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476242
    Number of IPv4 prefixes with a valid ROA:                    550018
    Number of IPv4 prefixes with an invalid ROA:                   1517
    Number of IPv4 prefixes with no ROA:                         446559
Total ASes present in the Internet Routing Table:                 76736
    Prefixes per ASN:                                             13.01
Origin-only ASes present in the Internet Routing Table:           65827
Origin ASes announcing only one prefix:                           26509
Transit ASes present in the Internet Routing Table:               10909
Transit-only ASes present in the Internet Routing Table:            537
Paths with bogon ASNs present in the IPv4 Routing Table:             87
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:              1062
    Number of instances of unregistered ASNs:                      1065
Number of 32-bit ASNs allocated by the RIRs:                      46099
Number of 32-bit ASNs visible in the Routing Table:               38040
Prefixes from 32-bit ASNs in the Routing Table:                  206676
Number of bogon 32-bit ASNs visible in the Routing Table:            30
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            490
Number of addresses announced to Internet:                   3108984320
    Equivalent to 185 /8s, 79 /16s and 86 /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:      329790

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

Prefixes being announced by APNIC Region ASes:                   257901
    Total APNIC prefixes after maximum aggregation:               76260
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          249596
    Unique aggregates announced from the APNIC address blocks:   102658
APNIC Region origin ASes present in the Internet Routing Table:   14539
    APNIC Prefixes per ASN:                                       17.17
APNIC Region origin ASes announcing only one prefix:               4419
APNIC Region transit ASes present in the Internet Routing Table:   1930
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:              749094912
    Equivalent to 44 /8s, 166 /16s and 72 /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:                    292284
    Total ARIN prefixes after maximum aggregation:               128738
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           293293
    Unique aggregates announced from the ARIN address blocks:    136843
ARIN Region origin ASes present in the Internet Routing Table:    19216
    ARIN Prefixes per ASN:                                        15.26
ARIN Region origin ASes announcing only one prefix:                7036
ARIN Region transit ASes present in the Internet Routing Table:    1959
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5167
Number of ARIN addresses announced to Internet:              1350345728
    Equivalent to 80 /8s, 124 /16s and 164 /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:                    276523
    Total RIPE prefixes after maximum aggregation:               133116
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           274433
    Unique aggregates announced from the RIPE address blocks:    173890
RIPE Region origin ASes present in the Internet Routing Table:    28926
    RIPE Prefixes per ASN:                                         9.49
RIPE Region origin ASes announcing only one prefix:               12047
RIPE Region transit ASes present in the Internet Routing Table:    3974
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12363
Number of RIPE addresses announced to Internet:               732445184
    Equivalent to 43 /8s, 168 /16s and 58 /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:                  132576
    Total LACNIC prefixes after maximum aggregation:              29316
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         129064
    Unique aggregates announced from the LACNIC address blocks:   48782
LACNIC Region origin ASes present in the Internet Routing Table:  11221
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2354
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:  9169
Number of LACNIC addresses announced to Internet:             171657984
    Equivalent to 10 /8s, 59 /16s and 75 /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:                  37751
    Total AfriNIC prefixes after maximum aggregation:              6855
    AfriNIC Deaggregation factor:                                  5.51
Prefixes being announced from the AfriNIC address blocks:         51222
    Unique aggregates announced from the AfriNIC address blocks:  13639
AfriNIC Region origin ASes present in the Internet Routing Table:  1910
    AfriNIC Prefixes per ASN:                                     26.82
AfriNIC Region origin ASes announcing only one prefix:              652
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: 1276
Number of AfriNIC addresses announced to Internet:            105197056
    Equivalent to 6 /8s, 69 /16s and 46 /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       10303       8753      87  CHINAMOBILE-CN China Mobile Communication
  7545        6213        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4285        530     277  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4275        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3899       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3693       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3268       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        2172        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       12944      39645    3973  AMAZON-02, US
   174        5484       8767     966  COGENT-174, US
 11492        4675        310     585  CABLEONE, US
  7155        4173        286      83  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3381       3034     182  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3076       1291    2236  AKAMAI-AS, US
396982        2947       3665     459  GOOGLE-CLOUD-PLATFORM, US
 36352        2565        213     797  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        7721       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3988       3395     127  AKAMAI-ASN1, NL
  9009        3788        327    1965  M247, RO
 12389        3035       2303     890  ROSTELECOM-AS, RU
 34984        2365        360     583  TELLCOM-AS, TR
212238        2062        147    1523  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       11921       3241     582  UNINET, MX
 10620        3522        486     971  Telmex Colombia S.A., CO
 13999        2509        539     369  Mega Cable, S.A. de C.V., MX
 11830        1991        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        782     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1163        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1052         67     378  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        1703        599      30  RAYA-AS, EG
 24863        1620        389      18  LINKdotNET-AS, EG
 29571        1567        102      23  ORANGE-COTE-IVOIRE, CI
 36992        1428       1518     287  ETISALAT-MISR, EG
 20011        1294        202     344  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 37069        1094       1088      19  MOBINIL, EG
 36935        1006        521      42  Vodafone-, 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       12944      39645    3973  AMAZON-02, US
  8151       11921       3241     582  UNINET, MX
  9808       10303       8753      87  CHINAMOBILE-CN China Mobile Communication
 12479        7721       1714     145  UNI2-AS, ES
  7545        6213        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5484       8767     966  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
  9498        4285        530     277  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4275        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       11921        11339  UNINET, MX
  9808       10303        10216  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7721         7576  UNI2-AS, ES
  7545        6213         5560  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5484         4518  COGENT-174, US
 18403        4275         4250  FPT-AS-AP FPT Telecom Company, VN
 11492        4675         4090  CABLEONE, US
  7155        4173         4090  VIASAT-SP-BACKBONE, US
  9498        4285         4008  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
    212032  UNALLOCATED  5.59.105.0/24            35168  TNS-PLUS-CORE, KZ
     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

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
23.136.124.0/24      Origin:    394106  BEIDEAL, US
23.136.124.0/24     Transit:    151349  YUKI-NET-AS-AP Yuki Network Ltd, KR
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

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      /12:302     
/13:584     /14:1231    /15:2189    /16:14042   /17:8376    /18:13935   
/19:24833   /20:44618   /21:52564   /22:113430  /23:105419  /24:616409  
/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        6653        7721  UNI2-AS, ES
  8151        6093       11921  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        3120        4173  VIASAT-SP-BACKBONE, US
 22773        2517        3381  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2328       12944  AMAZON-02, US
 30036        2219        2559  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3522  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)
----------------------------------------------

   1:2356      2:1530      3:599       4:10        5:4878      6:162    
   7:6         8:1553      9:1        11:172      12:1372     13:348    
  14:2518     15:351      16:279      17:362      18:916      20:470    
  21:4        22:188      23:7370     24:3062     25:2        27:2762   
  29:19       31:3254     32:45       34:84       35:204      36:2404   
  37:4778     38:10195    39:900      40:154      41:4428     42:1930   
  43:2589     44:359      45:19307    46:4972     47:288      49:1993   
  50:1900     51:590      52:1552     54:300      55:1089     56:11     
  57:261      58:2198     59:1344     60:1170     61:3007     62:3016   
  63:1845     64:5523     65:2193     66:4668     67:3058     68:1119   
  69:4010     70:1112     71:621      72:2923     74:2837     75:1664   
  76:613      77:2818     78:1872     79:1721     80:2228     81:2042   
  82:3006     83:1431     84:1823     85:3403     86:1046     87:2412   
  88:1300     89:4337     90:780      91:8398     92:2806     93:2888   
  94:4110     95:4290     96:1427     97:313      98:994      99:740    
 100:71      101:1306    102:4076    103:32437   104:4822    105:1225   
 106:994     107:2595    108:1209    109:4048    110:2230    111:3337   
 112:2044    113:1822    114:1965    115:2204    116:2076    117:2737   
 118:2800    119:1963    120:1875    121:1370    122:2766    123:2370   
 124:1586    125:2872    126:88      128:1582    129:1030    130:1303   
 131:1965    132:783     133:451     134:1526    135:375     136:1288   
 137:1118    138:3065    139:1627    140:1572    141:1500    142:1846   
 143:1680    144:1062    145:518     146:2160    147:2093    148:2642   
 149:2967    150:1261    151:2036    152:2118    153:574     154:8147   
 155:1642    156:3292    157:1912    158:1272    159:2428    160:3626   
 161:1981    162:3726    163:1979    164:1727    165:2234    166:1420   
 167:1909    168:4248    169:806     170:5312    171:1000    172:4477   
 173:3263    174:910     175:1289    176:3740    177:5509    178:3889   
 179:2482    180:2622    181:4196    182:3373    183:2011    184:2303   
 185:21692   186:5453    187:4798    188:4231    189:4394    190:9836   
 191:1982    192:11188   193:9462    194:7861    195:5639    196:3661   
 197:3806    198:6127    199:8440    200:8563    201:6405    202:10488  
 203:10698   204:4546    205:3629    206:4615    207:3455    208:4202   
 209:5206    210:4601    211:2519    212:4541    213:3825    214:1045   
 215:48      216:6636    217:3165    218:1346    219:385     220:2076   
 221:1072    222:716     223:2319   

End of report


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