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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Apr 25 18:45:22 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Fri 25 Apr, 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:                              999419
    Prefixes after maximum aggregation (per Origin AS):          376622
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      479191
    Number of IPv4 prefixes with a valid ROA:                    554133
    Number of IPv4 prefixes with an invalid ROA:                    815
    Number of IPv4 prefixes with no ROA:                         444471
Total ASes present in the Internet Routing Table:                 76845
    Prefixes per ASN:                                             13.01
Origin-only ASes present in the Internet Routing Table:           65951
Origin ASes announcing only one prefix:                           26575
Transit ASes present in the Internet Routing Table:               10894
Transit-only ASes present in the Internet Routing Table:            539
Paths with bogon ASNs present in the IPv4 Routing Table:             82
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                     128
    Max AS path prepend of ASN ( 37447)                             125
Prefixes from unregistered ASNs in the Routing Table:              1065
    Number of instances of unregistered ASNs:                      1066
Number of 32-bit ASNs allocated by the RIRs:                      46264
Number of 32-bit ASNs visible in the Routing Table:               38201
Prefixes from 32-bit ASNs in the Routing Table:                  207629
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:            468
Number of addresses announced to Internet:                   3106520832
    Equivalent to 185 /8s, 41 /16s and 191 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      330358

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

Prefixes being announced by APNIC Region ASes:                   258413
    Total APNIC prefixes after maximum aggregation:               76522
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          249987
    Unique aggregates announced from the APNIC address blocks:   103126
APNIC Region origin ASes present in the Internet Routing Table:   14585
    APNIC Prefixes per ASN:                                       17.14
APNIC Region origin ASes announcing only one prefix:               4436
APNIC Region transit ASes present in the Internet Routing Table:   1938
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10116
Number of APNIC addresses announced to Internet:              748543744
    Equivalent to 44 /8s, 157 /16s and 223 /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:                    292709
    Total ARIN prefixes after maximum aggregation:               129464
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           294174
    Unique aggregates announced from the ARIN address blocks:    138414
ARIN Region origin ASes present in the Internet Routing Table:    19229
    ARIN Prefixes per ASN:                                        15.30
ARIN Region origin ASes announcing only one prefix:                7041
ARIN Region transit ASes present in the Internet Routing Table:    1955
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:    5196
Number of ARIN addresses announced to Internet:              1348942848
    Equivalent to 80 /8s, 103 /16s and 60 /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:                    276919
    Total RIPE prefixes after maximum aggregation:               133753
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274409
    Unique aggregates announced from the RIPE address blocks:    174057
RIPE Region origin ASes present in the Internet Routing Table:    28959
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12054
RIPE Region transit ASes present in the Internet Routing Table:    3946
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12429
Number of RIPE addresses announced to Internet:               731840512
    Equivalent to 43 /8s, 159 /16s and 0 /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:                  132415
    Total LACNIC prefixes after maximum aggregation:              29394
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128858
    Unique aggregates announced from the LACNIC address blocks:   48763
LACNIC Region origin ASes present in the Internet Routing Table:  11232
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2388
LACNIC Region transit ASes present in the Internet Routing Table:  2476
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:             171687680
    Equivalent to 10 /8s, 59 /16s and 191 /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:                  37898
    Total AfriNIC prefixes after maximum aggregation:              6847
    AfriNIC Deaggregation factor:                                  5.53
Prefixes being announced from the AfriNIC address blocks:         51523
    Unique aggregates announced from the AfriNIC address blocks:  14446
AfriNIC Region origin ASes present in the Internet Routing Table:  1920
    AfriNIC Prefixes per ASN:                                     26.83
AfriNIC Region origin ASes announcing only one prefix:              656
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:                      128
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1284
Number of AfriNIC addresses announced to Internet:            105282816
    Equivalent to 6 /8s, 70 /16s and 125 /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       10365       8753      92  CHINAMOBILE-CN China Mobile Communication
  7545        6212        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4333        531     281  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4266        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3920       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3677       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3269       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2862        851     540  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2180      11524     640  KIXS-AS-KR Korea Telecom, KR
 45090        2171       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       13243      39707    4136  AMAZON-02, US
   174        5548       8756     924  COGENT-174, US
 11492        4701        312     586  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3395       3034     183  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3073       1291    2244  AKAMAI-AS, US
396982        2966       3651     474  GOOGLE-CLOUD-PLATFORM, US
 36352        2735        225     835  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        4018       3395     126  AKAMAI-ASN1, NL
  9009        3779        326    1966  M247, RO
 12389        3069       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2113        150    1549  CDNEXT, GB
  8452        1640       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1428        366      33  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

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       11996       3243     595  UNINET, MX
 10620        3516        485     994  Telmex Colombia S.A., CO
 13999        2510        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1355       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        784     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1192        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1188        371      21  Telefonica del Peru S.A.A., PE
 28202        1129         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1055         67     379  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        1743        607      31  RAYA-AS, EG
 24863        1653        389      18  LINKdotNET-AS, EG
 29571        1589        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1433       1518     283  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1020        521      42  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       13243      39707    4136  AMAZON-02, US
  8151       11996       3243     595  UNINET, MX
  9808       10365       8753      92  CHINAMOBILE-CN China Mobile Communication
 12479        7721       1714     145  UNI2-AS, ES
  7545        6212        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5548       8756     924  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4701        312     586  CABLEONE, US
  9498        4333        531     281  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4266        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       11996        11401  UNINET, MX
  9808       10365        10273  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7721         7576  UNI2-AS, ES
  7545        6212         5559  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5548         4624  COGENT-174, US
 18403        4266         4241  FPT-AS-AP FPT Telecom Company, VN
 11492        4701         4115  CABLEONE, US
  9498        4333         4052  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920         3894  VIETEL-AS-AP Viettel Group, VN

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    /15:2181    /16:13990   /17:8351    /18:13915   
/19:24805   /20:44357   /21:52553   /22:113442  /23:105781  /24:617767  
/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        6642        7721  UNI2-AS, ES
  8151        6180       11996  UNINET, MX
 11492        3531        4701  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2532        3395  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2351       13243  AMAZON-02, US
 30036        2225        2565  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2182        3516  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)
----------------------------------------------

   1:2353      2:1530      3:624       4:9         5:4938      6:163    
   7:6         8:1561      9:1        11:172      12:1371     13:356    
  14:2515     15:352      16:283      17:367      18:918      20:519    
  21:4        22:188      23:7523     24:2898     25:2        27:2770   
  29:19       31:3268     32:44       34:84       35:206      36:2405   
  37:4702     38:10256    39:907      40:170      41:4466     42:1907   
  43:2598     44:378      45:19239    46:5058     47:293      49:1942   
  50:1902     51:591      52:1555     54:295      55:1093     56:11     
  57:264      58:2205     59:1370     60:1171     61:3000     62:3018   
  63:1837     64:5521     65:2205     66:4715     67:3101     68:1129   
  69:4015     70:1064     71:623      72:2925     74:2817     75:1623   
  76:615      77:2838     78:1887     79:1755     80:2216     81:2065   
  82:3181     83:1435     84:1852     85:3410     86:1049     87:2413   
  88:1298     89:4329     90:785      91:8411     92:2728     93:2903   
  94:4078     95:4365     96:1464     97:312      98:995      99:670    
 100:72      101:1401    102:4288    103:32395   104:4828    105:1229   
 106:1043    107:2622    108:1214    109:4126    110:2234    111:3350   
 112:2051    113:1816    114:1972    115:2249    116:2075    117:2737   
 118:2824    119:1961    120:1883    121:1370    122:2776    123:2407   
 124:1586    125:2863    126:91      128:1591    129:1019    130:1318   
 131:1972    132:775     133:450     134:1540    135:377     136:1314   
 137:1128    138:3061    139:1614    140:1577    141:1494    142:1930   
 143:1670    144:1084    145:520     146:2162    147:2103    148:2679   
 149:2960    150:1257    151:1761    152:2116    153:570     154:8357   
 155:1658    156:3221    157:1887    158:1293    159:2440    160:3663   
 161:1924    162:3756    163:2091    164:1733    165:2230    166:1450   
 167:1900    168:4233    169:800     170:5291    171:1006    172:4496   
 173:3276    174:906     175:1293    176:3724    177:5478    178:3778   
 179:2446    180:2637    181:4198    182:3390    183:2028    184:2147   
 185:21746   186:5475    187:4814    188:4213    189:4440    190:9860   
 191:1946    192:11270   193:9481    194:7840    195:5619    196:3672   
 197:3813    198:6125    199:8485    200:8527    201:6401    202:10479  
 203:10702   204:4530    205:3654    206:4615    207:3449    208:4242   
 209:5190    210:4646    211:2538    212:4567    213:3833    214:1030   
 215:48      216:6668    217:3200    218:1348    219:385     220:2082   
 221:1059    222:721     223:2350   

End of report


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