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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Mar 26 18:45:21 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Wed 26 Mar, 2025

  IPv4 BGP Table (Global) as seen at RENU.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/RENU/

Analysis Summary
----------------

BGP routing table entries examined:                              997496
    Prefixes after maximum aggregation (per Origin AS):          374859
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476037
    Number of IPv4 prefixes with a valid ROA:                    549522
    Number of IPv4 prefixes with an invalid ROA:                   1583
    Number of IPv4 prefixes with no ROA:                         446391
Total ASes present in the Internet Routing Table:                 76731
    Prefixes per ASN:                                             13.00
Origin-only ASes present in the Internet Routing Table:           65820
Origin ASes announcing only one prefix:                           26512
Transit ASes present in the Internet Routing Table:               10911
Transit-only ASes present in the Internet Routing Table:            531
Paths with bogon ASNs present in the IPv4 Routing Table:             88
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1023
    Number of instances of unregistered ASNs:                      1027
Number of 32-bit ASNs allocated by the RIRs:                      46097
Number of 32-bit ASNs visible in the Routing Table:               38046
Prefixes from 32-bit ASNs in the Routing Table:                  206532
Number of bogon 32-bit ASNs visible in the Routing Table:            32
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            498
Number of addresses announced to Internet:                   3108976384
    Equivalent to 185 /8s, 79 /16s and 55 /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:      329705

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

Prefixes being announced by APNIC Region ASes:                   257753
    Total APNIC prefixes after maximum aggregation:               76254
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          249496
    Unique aggregates announced from the APNIC address blocks:   102662
APNIC Region origin ASes present in the Internet Routing Table:   14547
    APNIC Prefixes per ASN:                                       17.15
APNIC Region origin ASes announcing only one prefix:               4428
APNIC Region transit ASes present in the Internet Routing Table:   1936
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         49
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10071
Number of APNIC addresses announced to Internet:              749139712
    Equivalent to 44 /8s, 166 /16s and 247 /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:                    292184
    Total ARIN prefixes after maximum aggregation:               128678
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           293262
    Unique aggregates announced from the ARIN address blocks:    136756
ARIN Region origin ASes present in the Internet Routing Table:    19205
    ARIN Prefixes per ASN:                                        15.27
ARIN Region origin ASes announcing only one prefix:                7025
ARIN Region transit ASes present in the Internet Routing Table:    1954
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:    5163
Number of ARIN addresses announced to Internet:              1350355456
    Equivalent to 80 /8s, 124 /16s and 202 /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:                    276533
    Total RIPE prefixes after maximum aggregation:               133082
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           274450
    Unique aggregates announced from the RIPE address blocks:    173779
RIPE Region origin ASes present in the Internet Routing Table:    28923
    RIPE Prefixes per ASN:                                         9.49
RIPE Region origin ASes announcing only one prefix:               12042
RIPE Region transit ASes present in the Internet Routing Table:    3973
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:   12362
Number of RIPE addresses announced to Internet:               732365824
    Equivalent to 43 /8s, 167 /16s and 4 /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:                  132536
    Total LACNIC prefixes after maximum aggregation:              29332
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128950
    Unique aggregates announced from the LACNIC address blocks:   48807
LACNIC Region origin ASes present in the Internet Routing Table:  11227
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2359
LACNIC Region transit ASes present in the Internet Routing Table:  2485
Average LACNIC Region AS path length visible:                       5.6
    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:             171669504
    Equivalent to 10 /8s, 59 /16s and 120 /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:                  37467
    Total AfriNIC prefixes after maximum aggregation:              6855
    AfriNIC Deaggregation factor:                                  5.47
Prefixes being announced from the AfriNIC address blocks:         50840
    Unique aggregates announced from the AfriNIC address blocks:  13602
AfriNIC Region origin ASes present in the Internet Routing Table:  1913
    AfriNIC Prefixes per ASN:                                     26.58
AfriNIC Region origin ASes announcing only one prefix:              658
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:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1279
Number of AfriNIC addresses announced to Internet:            105201408
    Equivalent to 6 /8s, 69 /16s and 63 /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       10328       8753      87  CHINAMOBILE-CN China Mobile Communication
  7545        6212        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4284        530     277  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4215        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3900       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3693       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3269       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2843        847     540  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2206       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2171        434     194  TATACOMM-AS TATA Communications formerly 

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

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12929      39640    3994  AMAZON-02, US
   174        5471       8765     957  COGENT-174, US
 11492        4675        310     585  CABLEONE, US
  7155        4173        286      83  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3379       3034     182  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3076       1291    2236  AKAMAI-AS, US
396982        2947       3665     459  GOOGLE-CLOUD-PLATFORM, US
 36352        2565        213     797  AS-COLOCROSSING, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7730       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3988       3395     128  AKAMAI-ASN1, NL
  9009        3784        326    1961  M247, RO
 12389        3036       2303     890  ROSTELECOM-AS, RU
 34984        2365        360     583  TELLCOM-AS, TR
212238        2059        147    1520  CDNEXT, GB
  8452        1615       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         98     746  CLOUVIDER Clouvider - Global ASN, GB

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11927       3245     578  UNINET, MX
 10620        3522        486     971  Telmex Colombia S.A., CO
 13999        2509        539     369  Mega Cable, S.A. de C.V., MX
 11830        1991        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1328        782     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1162        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1070        359     174  Axtel, S.A.B. de C.V., MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1703        599      30  RAYA-AS, EG
 24863        1619        389      18  LINKdotNET-AS, EG
 29571        1567        102      23  ORANGE-COTE-IVOIRE, CI
 36992        1428       1518     287  ETISALAT-MISR, EG
 20011        1294        202     344  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 37069         903       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         562        661     321  IS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12929      39640    3994  AMAZON-02, US
  8151       11927       3245     578  UNINET, MX
  9808       10328       8753      87  CHINAMOBILE-CN China Mobile Communication
 12479        7730       1714     145  UNI2-AS, ES
  7545        6212        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5471       8765     957  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
  9498        4284        530     277  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4215        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       11927        11349  UNINET, MX
  9808       10328        10241  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7730         7585  UNI2-AS, ES
  7545        6212         5559  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5471         4514  COGENT-174, US
 18403        4215         4190  FPT-AS-AP FPT Telecom Company, VN
 11492        4675         4090  CABLEONE, US
  7155        4173         4090  VIASAT-SP-BACKBONE, US
  9498        4284         4007  BBIL-AP BHARTI Airtel Ltd., IN

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     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      /12:303     
/13:584     /14:1231    /15:2187    /16:14040   /17:8369    /18:13934   
/19:24832   /20:44443   /21:52561   /22:113411  /23:105413  /24:616022  
/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        6663        7730  UNI2-AS, ES
  8151        6097       11927  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        3120        4173  VIASAT-SP-BACKBONE, US
 22773        2516        3379  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2327       12929  AMAZON-02, US
 30036        2218        2558  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3522  Telmex Colombia S.A., CO

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

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

   1:2343      2:1529      3:597       4:10        5:4874      6:163    
   7:6         8:1554      9:1        11:172      12:1371     13:348    
  14:2514     15:351      16:279      17:362      18:911      20:470    
  21:4        22:188      23:7365     24:3065     25:2        27:2762   
  29:19       31:3254     32:45       34:84       35:204      36:2407   
  37:4778     38:10208    39:899      40:154      41:4433     42:1916   
  43:2580     44:358      45:19281    46:4978     47:288      49:1995   
  50:1901     51:590      52:1556     54:301      55:1090     56:11     
  57:261      58:2196     59:1340     60:1169     61:3008     62:3009   
  63:1845     64:5526     65:2192     66:4670     67:3045     68:1117   
  69:4010     70:1113     71:622      72:2923     74:2836     75:1665   
  76:613      77:2818     78:1872     79:1719     80:2232     81:2044   
  82:2988     83:1431     84:1822     85:3391     86:1044     87:2413   
  88:1299     89:4335     90:782      91:8406     92:2805     93:2897   
  94:4108     95:4288     96:1427     97:315      98:994      99:740    
 100:71      101:1306    102:4063    103:32431   104:4820    105:1225   
 106:997     107:2593    108:1207    109:4033    110:2230    111:3336   
 112:2044    113:1809    114:1957    115:2206    116:2073    117:2746   
 118:2782    119:1958    120:1876    121:1369    122:2766    123:2370   
 124:1585    125:2871    126:88      128:1586    129:1030    130:1298   
 131:1962    132:781     133:451     134:1526    135:375     136:1286   
 137:1119    138:3074    139:1628    140:1573    141:1501    142:1846   
 143:1679    144:1063    145:518     146:2160    147:2094    148:2641   
 149:2966    150:1259    151:2033    152:2118    153:574     154:8114   
 155:1643    156:3252    157:1915    158:1272    159:2424    160:3628   
 161:1977    162:3727    163:1975    164:1728    165:2235    166:1420   
 167:1907    168:4240    169:806     170:5312    171:1001    172:4471   
 173:3259    174:911     175:1283    176:3736    177:5480    178:3888   
 179:2465    180:2621    181:4199    182:3372    183:2031    184:2300   
 185:21699   186:5405    187:4778    188:4252    189:4387    190:9858   
 191:1980    192:11189   193:9460    194:7849    195:5642    196:3604   
 197:3800    198:6123    199:8436    200:8542    201:6407    202:10476  
 203:10704   204:4551    205:3646    206:4615    207:3446    208:4211   
 209:5204    210:4600    211:2518    212:4550    213:3821    214:1049   
 215:48      216:6637    217:3174    218:1346    219:385     220:2075   
 221:1072    222:716     223:2321   

End of report


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