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

REN Routing Table Report cscora at bgp.nsrc.org
Wed May 7 18:45:29 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Wed 07 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:                              999942
    Prefixes after maximum aggregation (per Origin AS):          377767
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      479180
    Number of IPv4 prefixes with a valid ROA:                    555896
    Number of IPv4 prefixes with an invalid ROA:                    585
    Number of IPv4 prefixes with no ROA:                         443461
Total ASes present in the Internet Routing Table:                 76836
    Prefixes per ASN:                                             13.01
Origin-only ASes present in the Internet Routing Table:           65938
Origin ASes announcing only one prefix:                           26588
Transit ASes present in the Internet Routing Table:               10898
Transit-only ASes present in the Internet Routing Table:            549
Paths with bogon ASNs present in the IPv4 Routing Table:             78
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      78
    Max AS path prepend of ASN ( 37447)                              75
Prefixes from unregistered ASNs in the Routing Table:              1001
    Number of instances of unregistered ASNs:                      1002
Number of 32-bit ASNs allocated by the RIRs:                      46348
Number of 32-bit ASNs visible in the Routing Table:               38218
Prefixes from 32-bit ASNs in the Routing Table:                  207779
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:            470
Number of addresses announced to Internet:                   3110450688
    Equivalent to 185 /8s, 101 /16s and 182 /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:      330529

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

Prefixes being announced by APNIC Region ASes:                   258841
    Total APNIC prefixes after maximum aggregation:               76812
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          249922
    Unique aggregates announced from the APNIC address blocks:   103138
APNIC Region origin ASes present in the Internet Routing Table:   14595
    APNIC Prefixes per ASN:                                       17.12
APNIC Region origin ASes announcing only one prefix:               4448
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:                         45
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10123
Number of APNIC addresses announced to Internet:              748484608
    Equivalent to 44 /8s, 156 /16s and 248 /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:                    292630
    Total ARIN prefixes after maximum aggregation:               130056
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           294300
    Unique aggregates announced from the ARIN address blocks:    138513
ARIN Region origin ASes present in the Internet Routing Table:    19225
    ARIN Prefixes per ASN:                                        15.31
ARIN Region origin ASes announcing only one prefix:                7039
ARIN Region transit ASes present in the Internet Routing Table:    1954
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5202
Number of ARIN addresses announced to Internet:              1353101824
    Equivalent to 80 /8s, 166 /16s and 178 /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:                    277261
    Total RIPE prefixes after maximum aggregation:               133958
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274743
    Unique aggregates announced from the RIPE address blocks:    174369
RIPE Region origin ASes present in the Internet Routing Table:    28957
    RIPE Prefixes per ASN:                                         9.49
RIPE Region origin ASes announcing only one prefix:               12043
RIPE Region transit ASes present in the Internet Routing Table:    3961
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:   12439
Number of RIPE addresses announced to Internet:               731594752
    Equivalent to 43 /8s, 155 /16s and 64 /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:                  132365
    Total LACNIC prefixes after maximum aggregation:              29465
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         128583
    Unique aggregates announced from the LACNIC address blocks:   48805
LACNIC Region origin ASes present in the Internet Routing Table:  11218
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2402
LACNIC Region transit ASes present in the Internet Routing Table:  2487
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:  9171
Number of LACNIC addresses announced to Internet:             171740416
    Equivalent to 10 /8s, 60 /16s and 141 /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:                  37844
    Total AfriNIC prefixes after maximum aggregation:              6851
    AfriNIC Deaggregation factor:                                  5.52
Prefixes being announced from the AfriNIC address blocks:         51924
    Unique aggregates announced from the AfriNIC address blocks:  13968
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.07
AfriNIC Region origin ASes announcing only one prefix:              656
AfriNIC Region transit ASes present in the Internet Routing Table:  376
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: 1283
Number of AfriNIC addresses announced to Internet:            105304832
    Equivalent to 6 /8s, 70 /16s and 211 /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       10650       8754      87  CHINAMOBILE-CN China Mobile Communication
  7545        6213        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4300        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4263        533     291  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3907       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3691       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3268       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2863        852     533  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       13314      40824    4548  AMAZON-02, US
   174        5443       8750     898  COGENT-174, US
 11492        4721        313     593  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3355       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54863    2505  DNIC-AS-00749, US
 16625        3083       1293    2249  AKAMAI-AS, US
396982        2955       3657     469  GOOGLE-CLOUD-PLATFORM, US
 36352        2781        228     851  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        7703       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4022       3395     126  AKAMAI-ASN1, NL
  9009        3815        329    1982  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2134        150    1575  CDNEXT, GB
  8452        1647       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1426        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       12069       3245     581  UNINET, MX
 10620        3523        486     995  Telmex Colombia S.A., CO
 13999        2514        540     362  Mega Cable, S.A. de C.V., MX
 11830        1994        369      64  Instituto Costarricense de Electricidad y
 28573        1359       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1334        784     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1197        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1191        371      22  Telefonica del Peru S.A.A., PE
 28202        1129         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1057         67     380  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

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

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       13314      40824    4548  AMAZON-02, US
  8151       12069       3245     581  UNINET, MX
  9808       10650       8754      87  CHINAMOBILE-CN China Mobile Communication
 12479        7703       1714     148  UNI2-AS, ES
  7545        6213        843     652  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5443       8750     898  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4721        313     593  CABLEONE, US
 18403        4300        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4263        533     291  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       12069        11488  UNINET, MX
  9808       10650        10563  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7703         7555  UNI2-AS, ES
  7545        6213         5561  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5443         4545  COGENT-174, US
 18403        4300         4275  FPT-AS-AP FPT Telecom Company, VN
 11492        4721         4128  CABLEONE, US
  9498        4263         3972  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4022         3896  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   /17:8335    /18:13878   
/19:24783   /20:44286   /21:52484   /22:113298  /23:105748  /24:618610  
/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        6624        7703  UNI2-AS, ES
  8151        6248       12069  UNINET, MX
 11492        3533        4721  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2505        3355  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2314       13314  AMAZON-02, US
 30036        2217        2557  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2189        3523  Telmex Colombia S.A., CO

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

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2348      2:1519      3:694       4:10        5:4978      6:162    
   7:6         8:1609      9:1        11:172      12:1366     13:361    
  14:2519     15:353      16:283      17:370      18:922      20:524    
  21:4        22:188      23:7536     24:2891     25:2        27:2776   
  29:19       31:3286     32:45       33:1        34:84       35:204    
  36:2666     37:4717     38:10308    39:907      40:169      41:4413   
  42:1950     43:2594     44:375      45:19274    46:5057     47:294    
  49:1943     50:1896     51:591      52:1553     54:305      55:1093   
  56:11       57:266      58:2207     59:1282     60:1170     61:2993   
  62:3009     63:1826     64:5525     65:2182     66:4727     67:3109   
  68:1130     69:4000     70:1089     71:631      72:2941     74:2801   
  75:1624     76:616      77:2832     78:1883     79:1758     80:2219   
  81:2060     82:3225     83:1444     84:1855     85:3432     86:1051   
  87:2409     88:1303     89:4363     90:777      91:8418     92:2723   
  93:2906     94:4112     95:4352     96:1471     97:316      98:983    
  99:670     100:72      101:1411    102:4327    103:32336   104:4828   
 105:1229    106:1032    107:2624    108:1220    109:4121    110:2230   
 111:3350    112:2057    113:1807    114:1975    115:2247    116:2081   
 117:2610    118:2815    119:1957    120:1883    121:1369    122:2779   
 123:2404    124:1590    125:2853    126:91      128:1589    129:1017   
 130:1321    131:2012    132:777     133:451     134:1542    135:377    
 136:1310    137:1126    138:3066    139:1622    140:1593    141:1508   
 142:1923    143:1728    144:1085    145:509     146:2167    147:2102   
 148:2694    149:2925    150:1261    151:1842    152:2116    153:563    
 154:8538    155:1704    156:3373    157:1898    158:1301    159:2439   
 160:3656    161:1897    162:3733    163:2142    164:1733    165:2229   
 166:1471    167:1916    168:4232    169:798     170:5303    171:1007   
 172:4413    173:3286    174:907     175:1298    176:3720    177:5466   
 178:3696    179:2451    180:2648    181:4199    182:3415    183:2036   
 184:2116    185:21736   186:5517    187:4800    188:4235    189:4459   
 190:9793    191:1938    192:11243   193:9518    194:7848    195:5626   
 196:3654    197:3830    198:6131    199:8508    200:8504    201:6408   
 202:10352   203:10702   204:4529    205:3623    206:4617    207:3465   
 208:4277    209:5217    210:4614    211:2531    212:4564    213:3766   
 214:1029    215:48      216:6766    217:3199    218:1354    219:386    
 220:2087    221:1087    222:712     223:2353   

End of report


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