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

REN Routing Table Report cscora at bgp.nsrc.org
Fri May 9 18:45:34 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Fri 09 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:                             1000667
    Prefixes after maximum aggregation (per Origin AS):          378077
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      479393
    Number of IPv4 prefixes with a valid ROA:                    556643
    Number of IPv4 prefixes with an invalid ROA:                    929
    Number of IPv4 prefixes with no ROA:                         443095
Total ASes present in the Internet Routing Table:                 76857
    Prefixes per ASN:                                             13.02
Origin-only ASes present in the Internet Routing Table:           65939
Origin ASes announcing only one prefix:                           26590
Transit ASes present in the Internet Routing Table:               10918
Transit-only ASes present in the Internet Routing Table:            549
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:                                      78
    Max AS path prepend of ASN ( 37447)                              75
Prefixes from unregistered ASNs in the Routing Table:              1000
    Number of instances of unregistered ASNs:                      1001
Number of 32-bit ASNs allocated by the RIRs:                      46373
Number of 32-bit ASNs visible in the Routing Table:               38245
Prefixes from 32-bit ASNs in the Routing Table:                  208376
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:            469
Number of addresses announced to Internet:                   3110574592
    Equivalent to 185 /8s, 103 /16s and 154 /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:      330655

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

Prefixes being announced by APNIC Region ASes:                   259288
    Total APNIC prefixes after maximum aggregation:               76869
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250434
    Unique aggregates announced from the APNIC address blocks:   103194
APNIC Region origin ASes present in the Internet Routing Table:   14595
    APNIC Prefixes per ASN:                                       17.16
APNIC Region origin ASes announcing only one prefix:               4455
APNIC Region transit ASes present in the Internet Routing Table:   1945
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:  10128
Number of APNIC addresses announced to Internet:              748511744
    Equivalent to 44 /8s, 157 /16s and 98 /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:                    292823
    Total ARIN prefixes after maximum aggregation:               130231
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           294453
    Unique aggregates announced from the ARIN address blocks:    138549
ARIN Region origin ASes present in the Internet Routing Table:    19229
    ARIN Prefixes per ASN:                                        15.31
ARIN Region origin ASes announcing only one prefix:                7036
ARIN Region transit ASes present in the Internet Routing Table:    1955
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:    5200
Number of ARIN addresses announced to Internet:              1353178368
    Equivalent to 80 /8s, 167 /16s and 221 /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:                    277130
    Total RIPE prefixes after maximum aggregation:               134000
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274644
    Unique aggregates announced from the RIPE address blocks:    174434
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:               12044
RIPE Region transit ASes present in the Internet Routing Table:    3963
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:   12443
Number of RIPE addresses announced to Internet:               731574784
    Equivalent to 43 /8s, 154 /16s and 242 /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:                  132562
    Total LACNIC prefixes after maximum aggregation:              29482
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128819
    Unique aggregates announced from the LACNIC address blocks:   48865
LACNIC Region origin ASes present in the Internet Routing Table:  11237
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2394
LACNIC Region transit ASes present in the Internet Routing Table:  2500
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:  9188
Number of LACNIC addresses announced to Internet:             171779328
    Equivalent to 10 /8s, 61 /16s and 37 /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:                  37864
    Total AfriNIC prefixes after maximum aggregation:              6870
    AfriNIC Deaggregation factor:                                  5.51
Prefixes being announced from the AfriNIC address blocks:         51848
    Unique aggregates announced from the AfriNIC address blocks:  13965
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.03
AfriNIC Region origin ASes announcing only one prefix:              661
AfriNIC Region transit ASes present in the Internet Routing Table:  377
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       78
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet:            105306112
    Equivalent to 6 /8s, 70 /16s and 216 /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       10794       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6158        842     650  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4368        534     301  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4301        347      25  FPT-AS-AP FPT Telecom Company, VN
  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        2867        852     535  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       13313      40823    4722  AMAZON-02, US
   174        5412       8750     894  COGENT-174, US
 11492        4725        313     592  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3348       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3253      54861    2504  DNIC-AS-00749, US
396982        3164       3852     416  GOOGLE-CLOUD-PLATFORM, US
 16625        3086       1294    2249  AKAMAI-AS, US
 36352        2777        228     852  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        7696       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4015       3395     126  AKAMAI-ASN1, NL
  9009        3815        329    1991  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2137        151    1578  CDNEXT, GB
  8452        1647       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1427        366      39  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       12094       3247     582  UNINET, MX
 10620        3533        486     993  Telmex Colombia S.A., CO
 13999        2512        540     362  Mega Cable, S.A. de C.V., MX
 11830        1995        369      64  Instituto Costarricense de Electricidad y
 28573        1358       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1337        784     209  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1199        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1191        371      22  Telefonica del Peru S.A.A., PE
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1054         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        1744        631      30  RAYA-AS, EG
 24863        1651        389      16  LINKdotNET-AS, EG
 29571        1598        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       13313      40823    4722  AMAZON-02, US
  8151       12094       3247     582  UNINET, MX
  9808       10794       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7696       1714     148  UNI2-AS, ES
  7545        6158        842     650  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5412       8750     894  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4725        313     592  CABLEONE, US
  9498        4368        534     301  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4301        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       12094        11512  UNINET, MX
  9808       10794        10699  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7696         7548  UNI2-AS, ES
  7545        6158         5508  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5412         4518  COGENT-174, US
 18403        4301         4276  FPT-AS-AP FPT Telecom Company, VN
 11492        4725         4133  CABLEONE, US
  9498        4368         4067  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4015         3889  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    /15:2187    /16:14056   /17:8338    /18:13881   
/19:24793   /20:44306   /21:52487   /22:113348  /23:105933  /24:619061  
/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        6617        7696  UNI2-AS, ES
  8151        6269       12094  UNINET, MX
 11492        3533        4725  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2498        3348  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2314       13313  AMAZON-02, US
 30036        2219        2559  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2199        3533  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)
----------------------------------------------

   1:2344      2:1519      3:702       4:10        5:4977      6:162    
   7:6         8:1606      9:1        11:172      12:1366     13:378    
  14:2501     15:353      16:283      17:372      18:920      20:525    
  21:4        22:188      23:7532     24:2897     25:2        27:2773   
  29:19       31:3287     32:45       33:1        34:84       35:205    
  36:2761     37:4657     38:10328    39:909      40:171      41:4436   
  42:1955     43:2596     44:376      45:19304    46:5064     47:296    
  49:1943     50:1898     51:591      52:1557     54:307      55:1095   
  56:11       57:267      58:2213     59:1368     60:1164     61:2998   
  62:3013     63:1822     64:5521     65:2172     66:4740     67:3111   
  68:1135     69:4008     70:1088     71:640      72:2941     74:2805   
  75:1624     76:617      77:2837     78:1879     79:1760     80:2219   
  81:2072     82:3159     83:1440     84:1855     85:3439     86:1051   
  87:2412     88:1303     89:4370     90:775      91:8423     92:2721   
  93:2900     94:4043     95:4348     96:1476     97:316      98:980    
  99:675     100:72      101:1409    102:4315    103:32370   104:4834   
 105:1229    106:1032    107:2621    108:1227    109:4128    110:2230   
 111:3365    112:2061    113:1806    114:1978    115:2246    116:2085   
 117:2612    118:2811    119:1959    120:1894    121:1367    122:2778   
 123:2407    124:1588    125:2852    126:91      128:1595    129:1016   
 130:1317    131:2016    132:777     133:451     134:1541    135:377    
 136:1315    137:1131    138:3059    139:1637    140:1585    141:1510   
 142:1926    143:1731    144:1107    145:509     146:2169    147:2098   
 148:2645    149:2935    150:1256    151:1850    152:2101    153:563    
 154:8434    155:1711    156:3364    157:1903    158:1305    159:2443   
 160:3657    161:1898    162:3744    163:2152    164:1733    165:2232   
 166:1473    167:1931    168:4226    169:800     170:5319    171:1007   
 172:4418    173:3289    174:909     175:1295    176:3730    177:5461   
 178:3695    179:2462    180:2652    181:4210    182:3423    183:2061   
 184:2119    185:21757   186:5515    187:4828    188:4235    189:4474   
 190:9855    191:1938    192:11249   193:9516    194:7839    195:5630   
 196:3654    197:3844    198:6135    199:8513    200:8522    201:6401   
 202:10370   203:10696   204:4535    205:3616    206:4595    207:3464   
 208:4283    209:5214    210:4651    211:2535    212:4570    213:3759   
 214:1032    215:48      216:6774    217:3199    218:1359    219:386    
 220:2083    221:1079    222:712     223:2367   

End of report


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