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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Mar 28 18:45:17 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Fri 28 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:                              996984
    Prefixes after maximum aggregation (per Origin AS):          374739
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476542
    Number of IPv4 prefixes with a valid ROA:                    550192
    Number of IPv4 prefixes with an invalid ROA:                    420
    Number of IPv4 prefixes with no ROA:                         446372
Total ASes present in the Internet Routing Table:                 76715
    Prefixes per ASN:                                             13.00
Origin-only ASes present in the Internet Routing Table:           65817
Origin ASes announcing only one prefix:                           26515
Transit ASes present in the Internet Routing Table:               10898
Transit-only ASes present in the Internet Routing Table:            543
Paths with bogon ASNs present in the IPv4 Routing Table:             73
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1064
    Number of instances of unregistered ASNs:                      1067
Number of 32-bit ASNs allocated by the RIRs:                      46107
Number of 32-bit ASNs visible in the Routing Table:               38031
Prefixes from 32-bit ASNs in the Routing Table:                  206556
Number of bogon 32-bit ASNs visible in the Routing Table:            24
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            499
Number of addresses announced to Internet:                   3108048128
    Equivalent to 185 /8s, 65 /16s and 13 /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:      329642

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

Prefixes being announced by APNIC Region ASes:                   257498
    Total APNIC prefixes after maximum aggregation:               76164
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          249162
    Unique aggregates announced from the APNIC address blocks:   102629
APNIC Region origin ASes present in the Internet Routing Table:   14515
    APNIC Prefixes per ASN:                                       17.17
APNIC Region origin ASes announcing only one prefix:               4425
APNIC Region transit ASes present in the Internet Routing Table:   1931
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:  10044
Number of APNIC addresses announced to Internet:              748733696
    Equivalent to 44 /8s, 160 /16s and 197 /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:                    292073
    Total ARIN prefixes after maximum aggregation:               128695
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           293069
    Unique aggregates announced from the ARIN address blocks:    137113
ARIN Region origin ASes present in the Internet Routing Table:    19216
    ARIN Prefixes per ASN:                                        15.25
ARIN Region origin ASes announcing only one prefix:                7034
ARIN Region transit ASes present in the Internet Routing Table:    1952
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:    5167
Number of ARIN addresses announced to Internet:              1349911296
    Equivalent to 80 /8s, 118 /16s and 3 /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:                    276324
    Total RIPE prefixes after maximum aggregation:               133048
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           274305
    Unique aggregates announced from the RIPE address blocks:    173933
RIPE Region origin ASes present in the Internet Routing Table:    28918
    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:    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:   12364
Number of RIPE addresses announced to Internet:               732307456
    Equivalent to 43 /8s, 166 /16s and 32 /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:                  132500
    Total LACNIC prefixes after maximum aggregation:              29328
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128996
    Unique aggregates announced from the LACNIC address blocks:   48819
LACNIC Region origin ASes present in the Internet Routing Table:  11224
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2354
LACNIC Region transit ASes present in the Internet Routing Table:  2475
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:  9177
Number of LACNIC addresses announced to Internet:             171641856
    Equivalent to 10 /8s, 59 /16s and 12 /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:                  37524
    Total AfriNIC prefixes after maximum aggregation:              6833
    AfriNIC Deaggregation factor:                                  5.49
Prefixes being announced from the AfriNIC address blocks:         50953
    Unique aggregates announced from the AfriNIC address blocks:  13615
AfriNIC Region origin ASes present in the Internet Routing Table:  1913
    AfriNIC Prefixes per ASN:                                     26.64
AfriNIC Region origin ASes announcing only one prefix:              658
AfriNIC Region transit ASes present in the Internet Routing Table:  382
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1279
Number of AfriNIC addresses announced to Internet:            105209600
    Equivalent to 6 /8s, 69 /16s and 95 /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       10307       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6215        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4242        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4222        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3872       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3676       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3268       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2843        848     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2152        434     192  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       12941      39644    3972  AMAZON-02, US
   174        5472       8767     967  COGENT-174, US
 11492        4676        310     586  CABLEONE, US
  7155        4173        286      83  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3380       3034     182  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3084       1296    2242  AKAMAI-AS, US
396982        2945       3649     459  GOOGLE-CLOUD-PLATFORM, US
 36352        2575        213     794  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        7722       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3987       3395     128  AKAMAI-ASN1, NL
  9009        3775        326    1962  M247, RO
 12389        3036       2303     889  ROSTELECOM-AS, RU
 34984        2365        360     583  TELLCOM-AS, TR
212238        2070        147    1526  CDNEXT, GB
  8452        1615       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1491         98     749  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       11929       3243     582  UNINET, MX
 10620        3522        486     971  Telmex Colombia S.A., CO
 13999        2500        538     372  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        1330        782     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1163        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1131         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1052         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        1703        599      30  RAYA-AS, EG
 24863        1620        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       12941      39644    3972  AMAZON-02, US
  8151       11929       3243     582  UNINET, MX
  9808       10307       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7722       1714     145  UNI2-AS, ES
  7545        6215        843     653  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5472       8767     967  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4676        310     586  CABLEONE, US
 18403        4242        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4222        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       11929        11347  UNINET, MX
  9808       10307        10219  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7722         7577  UNI2-AS, ES
  7545        6215         5562  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5472         4505  COGENT-174, US
 18403        4242         4217  FPT-AS-AP FPT Telecom Company, VN
 11492        4676         4090  CABLEONE, US
  7155        4173         4090  VIASAT-SP-BACKBONE, US
  9498        4222         3948  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
    212032  UNALLOCATED  5.59.105.0/24            35168  TNS-PLUS-CORE, KZ
     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

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
23.136.140.0/24      Origin:     11832  BANDB-ROUTING, ZZ
23.136.140.0/24     Transit:     20473  AS-VULTR, 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

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      /12:302     
/13:584     /14:1231    /15:2187    /16:14037   /17:8369    /18:13932   
/19:24815   /20:44297   /21:52514   /22:113376  /23:105379  /24:615795  
/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        6654        7722  UNI2-AS, ES
  8151        6100       11929  UNINET, MX
 11492        3529        4676  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        3120        4173  VIASAT-SP-BACKBONE, US
 22773        2516        3380  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2327       12941  AMAZON-02, US
 30036        2218        2559  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      2:1528      3:600       4:6         5:4875      6:163    
   7:6         8:1553      9:1        11:172      12:1372     13:351    
  14:2515     15:351      16:279      17:362      18:912      20:457    
  21:4        22:188      23:7370     24:3066     25:2        27:2759   
  29:19       31:3266     32:45       34:84       35:204      36:2404   
  37:4765     38:10194    39:899      40:154      41:4437     42:1921   
  43:2581     44:360      45:19269    46:4971     47:288      49:1990   
  50:1899     51:590      52:1555     54:301      55:1075     56:11     
  57:261      58:2195     59:1290     60:1171     61:2996     62:3014   
  63:1843     64:5524     65:2195     66:4663     67:3058     68:1118   
  69:3996     70:1113     71:622      72:2915     74:2823     75:1664   
  76:612      77:2820     78:1868     79:1722     80:2212     81:2042   
  82:3006     83:1426     84:1824     85:3401     86:1044     87:2413   
  88:1300     89:4338     90:779      91:8393     92:2805     93:2884   
  94:4093     95:4296     96:1423     97:313      98:993      99:739    
 100:71      101:1400    102:4079    103:32296   104:4813    105:1224   
 106:992     107:2590    108:1206    109:4083    110:2224    111:3336   
 112:2042    113:1816    114:1962    115:2200    116:2072    117:2730   
 118:2788    119:1955    120:1875    121:1363    122:2760    123:2407   
 124:1587    125:2855    126:88      128:1589    129:1023    130:1303   
 131:1963    132:784     133:451     134:1528    135:375     136:1285   
 137:1118    138:3070    139:1621    140:1567    141:1492    142:1845   
 143:1685    144:1044    145:521     146:2159    147:2099    148:2637   
 149:2963    150:1258    151:2039    152:2119    153:574     154:8115   
 155:1639    156:3275    157:1904    158:1268    159:2426    160:3620   
 161:1972    162:3727    163:1976    164:1726    165:2232    166:1422   
 167:1907    168:4233    169:807     170:5318    171:1002    172:4472   
 173:3258    174:910     175:1286    176:3733    177:5455    178:3884   
 179:2485    180:2617    181:4210    182:3373    183:2016    184:2301   
 185:21688   186:5493    187:4770    188:4224    189:4399    190:9874   
 191:1968    192:11184   193:9454    194:7859    195:5637    196:3660   
 197:3794    198:6122    199:8444    200:8557    201:6411    202:10456  
 203:10659   204:4531    205:3656    206:4608    207:3453    208:4207   
 209:5199    210:4581    211:2520    212:4535    213:3817    214:1045   
 215:48      216:6639    217:3163    218:1345    219:385     220:2083   
 221:1073    222:715     223:2320   

End of report


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