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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Apr 17 18:45:19 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 17 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:                              997705
    Prefixes after maximum aggregation (per Origin AS):          375926
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      477742
    Number of IPv4 prefixes with a valid ROA:                    551196
    Number of IPv4 prefixes with an invalid ROA:                    499
    Number of IPv4 prefixes with no ROA:                         446010
Total ASes present in the Internet Routing Table:                 76812
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65952
Origin ASes announcing only one prefix:                           26536
Transit ASes present in the Internet Routing Table:               10860
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:             83
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:              1096
    Number of instances of unregistered ASNs:                      1097
Number of 32-bit ASNs allocated by the RIRs:                      46228
Number of 32-bit ASNs visible in the Routing Table:               38167
Prefixes from 32-bit ASNs in the Routing Table:                  207164
Number of bogon 32-bit ASNs visible in the Routing Table:            22
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            468
Number of addresses announced to Internet:                   3107055872
    Equivalent to 185 /8s, 49 /16s and 233 /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:      330001

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

Prefixes being announced by APNIC Region ASes:                   257910
    Total APNIC prefixes after maximum aggregation:               76390
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          249541
    Unique aggregates announced from the APNIC address blocks:   102918
APNIC Region origin ASes present in the Internet Routing Table:   14574
    APNIC Prefixes per ASN:                                       17.12
APNIC Region origin ASes announcing only one prefix:               4429
APNIC Region transit ASes present in the Internet Routing Table:   1937
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10097
Number of APNIC addresses announced to Internet:              748480768
    Equivalent to 44 /8s, 156 /16s and 233 /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:                    291889
    Total ARIN prefixes after maximum aggregation:               129159
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           293163
    Unique aggregates announced from the ARIN address blocks:    137749
ARIN Region origin ASes present in the Internet Routing Table:    19224
    ARIN Prefixes per ASN:                                        15.25
ARIN Region origin ASes announcing only one prefix:                7032
ARIN Region transit ASes present in the Internet Routing Table:    1942
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5187
Number of ARIN addresses announced to Internet:              1349314560
    Equivalent to 80 /8s, 108 /16s and 232 /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:                    276681
    Total RIPE prefixes after maximum aggregation:               133501
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274331
    Unique aggregates announced from the RIPE address blocks:    174016
RIPE Region origin ASes present in the Internet Routing Table:    28942
    RIPE Prefixes per ASN:                                         9.48
RIPE Region origin ASes announcing only one prefix:               12044
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:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12412
Number of RIPE addresses announced to Internet:               731960576
    Equivalent to 43 /8s, 160 /16s and 213 /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:                  132290
    Total LACNIC prefixes after maximum aggregation:              29361
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128769
    Unique aggregates announced from the LACNIC address blocks:   48850
LACNIC Region origin ASes present in the Internet Routing Table:  11233
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2372
LACNIC Region transit ASes present in the Internet Routing Table:  2464
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:  9183
Number of LACNIC addresses announced to Internet:             171746560
    Equivalent to 10 /8s, 60 /16s and 165 /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:                  37839
    Total AfriNIC prefixes after maximum aggregation:              6857
    AfriNIC Deaggregation factor:                                  5.52
Prefixes being announced from the AfriNIC address blocks:         51433
    Unique aggregates announced from the AfriNIC address blocks:  13803
AfriNIC Region origin ASes present in the Internet Routing Table:  1920
    AfriNIC Prefixes per ASN:                                     26.79
AfriNIC Region origin ASes announcing only one prefix:              659
AfriNIC Region transit ASes present in the Internet Routing Table:  384
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: 1288
Number of AfriNIC addresses announced to Internet:            105329664
    Equivalent to 6 /8s, 71 /16s and 52 /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       10346       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4266        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4223        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3924       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3267       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2856        850     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2176      11524     637  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       13166      39689    4121  AMAZON-02, US
   174        5394       8762     940  COGENT-174, US
 11492        4694        311     587  CABLEONE, US
  7155        3829        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3398       3034     183  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3077       1292    2247  AKAMAI-AS, US
396982        2955       3650     467  GOOGLE-CLOUD-PLATFORM, US
 36352        2662        219     817  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        7700       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4002       3395     128  AKAMAI-ASN1, NL
  9009        3780        326    1964  M247, RO
 12389        3074       2303     888  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2363        360     585  TELLCOM-AS, TR
212238        2095        148    1540  CDNEXT, GB
  8452        1641       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1481         98     745  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       11982       3243     592  UNINET, MX
 10620        3522        486     992  Telmex Colombia S.A., CO
 13999        2509        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1356       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1190        371      21  Telefonica del Peru S.A.A., PE
 11664        1183        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1053         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        1733        607      31  RAYA-AS, EG
 24863        1647        389      16  LINKdotNET-AS, EG
 29571        1583        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1433       1518     283  ETISALAT-MISR, EG
 20011        1296        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       13166      39689    4121  AMAZON-02, US
  8151       11982       3243     592  UNINET, MX
  9808       10346       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7700       1714     145  UNI2-AS, ES
  7545        6211        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5394       8762     940  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4694        311     587  CABLEONE, US
 18403        4266        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4223        530     274  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       11982        11390  UNINET, MX
  9808       10346        10258  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7700         7555  UNI2-AS, ES
  7545        6211         5558  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5394         4454  COGENT-174, US
 18403        4266         4241  FPT-AS-AP FPT Telecom Company, VN
 11492        4694         4107  CABLEONE, US
  9498        4223         3949  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3924         3898  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
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, US

Complete listing at https://bgp.nsrc.org/REN/RENU/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:41      /11:93      /12:300     
/13:584     /14:1230    /15:2180    /16:14002   /17:8358    /18:13915   
/19:24778   /20:44278   /21:52550   /22:113391  /23:105706  /24:616267  
/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        6621        7700  UNI2-AS, ES
  8151        6165       11982  UNINET, MX
 11492        3531        4694  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2787        3829  VIASAT-SP-BACKBONE, US
 22773        2535        3398  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2350       13166  AMAZON-02, US
 30036        2214        2554  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        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)
----------------------------------------------

   1:2352      2:1529      3:614       4:10        5:4912      6:163    
   7:6         8:1561      9:1        11:172      12:1371     13:351    
  14:2515     15:352      16:283      17:366      18:920      20:518    
  21:4        22:188      23:7460     24:2895     25:2        27:2770   
  29:19       31:3273     32:44       34:84       35:203      36:2402   
  37:4689     38:10119    39:905      40:166      41:4459     42:1918   
  43:2582     44:375      45:19192    46:5037     47:290      49:1928   
  50:1900     51:591      52:1555     54:296      55:1079     56:11     
  57:264      58:2209     59:1288     60:1171     61:2997     62:3003   
  63:1834     64:5539     65:2205     66:4699     67:3106     68:1125   
  69:4009     70:1066     71:622      72:2921     74:2816     75:1606   
  76:613      77:2844     78:1883     79:1753     80:2214     81:2057   
  82:3162     83:1429     84:1859     85:3409     86:1048     87:2410   
  88:1297     89:4315     90:783      91:8397     92:2792     93:2902   
  94:4077     95:4359     96:1444     97:313      98:997      99:642    
 100:72      101:1403    102:4164    103:32345   104:4785    105:1230   
 106:984     107:2615    108:1205    109:4141    110:2228    111:3364   
 112:2050    113:1812    114:1973    115:2241    116:2072    117:2738   
 118:2828    119:1959    120:1877    121:1368    122:2774    123:2400   
 124:1585    125:2864    126:91      128:1582    129:1023    130:1292   
 131:1982    132:788     133:451     134:1537    135:377     136:1311   
 137:1124    138:3042    139:1607    140:1584    141:1477    142:1928   
 143:1658    144:1063    145:520     146:2163    147:2114    148:2670   
 149:2985    150:1250    151:1752    152:2121    153:568     154:8293   
 155:1639    156:3211    157:1889    158:1288    159:2440    160:3646   
 161:1913    162:3759    163:2083    164:1733    165:2235    166:1421   
 167:1908    168:4241    169:796     170:5137    171:1002    172:4493   
 173:3254    174:904     175:1298    176:3756    177:5459    178:3824   
 179:2448    180:2626    181:4204    182:3366    183:2031    184:2138   
 185:21726   186:5466    187:4817    188:4213    189:4432    190:9854   
 191:1950    192:11248   193:9466    194:7840    195:5623    196:3665   
 197:3834    198:6105    199:8453    200:8523    201:6398    202:10469  
 203:10682   204:4534    205:3651    206:4615    207:3457    208:4225   
 209:5172    210:4596    211:2527    212:4562    213:3828    214:1031   
 215:48      216:6688    217:3171    218:1350    219:385     220:2083   
 221:1060    222:712     223:2325   

End of report


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