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

REN Routing Table Report cscora at bgp.nsrc.org
Sun May 25 18:44:03 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sun 25 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:                             1003323
    Prefixes after maximum aggregation (per Origin AS):          379306
    Deaggregation factor:                                          2.65
    Unique aggregates announced (without unneeded subnets):      481823
    Number of IPv4 prefixes with a valid ROA:                    559154
    Number of IPv4 prefixes with an invalid ROA:                    513
    Number of IPv4 prefixes with no ROA:                         443656
Total ASes present in the Internet Routing Table:                 76881
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           66006
Origin ASes announcing only one prefix:                           26561
Transit ASes present in the Internet Routing Table:               10875
Transit-only ASes present in the Internet Routing Table:            544
Paths with bogon ASNs present in the IPv4 Routing Table:             84
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:              1011
    Number of instances of unregistered ASNs:                      1012
Number of 32-bit ASNs allocated by the RIRs:                      46520
Number of 32-bit ASNs visible in the Routing Table:               38302
Prefixes from 32-bit ASNs in the Routing Table:                  209769
Number of bogon 32-bit ASNs visible in the Routing Table:            21
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            457
Number of addresses announced to Internet:                   3110238720
    Equivalent to 185 /8s, 98 /16s and 122 /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:      330891

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

Prefixes being announced by APNIC Region ASes:                   259673
    Total APNIC prefixes after maximum aggregation:               77108
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250736
    Unique aggregates announced from the APNIC address blocks:   104304
APNIC Region origin ASes present in the Internet Routing Table:   14594
    APNIC Prefixes per ASN:                                       17.18
APNIC Region origin ASes announcing only one prefix:               4439
APNIC Region transit ASes present in the Internet Routing Table:   1922
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10128
Number of APNIC addresses announced to Internet:              748718336
    Equivalent to 44 /8s, 160 /16s and 137 /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:                    294424
    Total ARIN prefixes after maximum aggregation:               131072
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           295260
    Unique aggregates announced from the ARIN address blocks:    139510
ARIN Region origin ASes present in the Internet Routing Table:    19230
    ARIN Prefixes per ASN:                                        15.35
ARIN Region origin ASes announcing only one prefix:                7056
ARIN Region transit ASes present in the Internet Routing Table:    1951
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:    5216
Number of ARIN addresses announced to Internet:              1352653824
    Equivalent to 80 /8s, 159 /16s and 220 /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:                    277249
    Total RIPE prefixes after maximum aggregation:               134223
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           275313
    Unique aggregates announced from the RIPE address blocks:    175023
RIPE Region origin ASes present in the Internet Routing Table:    28966
    RIPE Prefixes per ASN:                                         9.50
RIPE Region origin ASes announcing only one prefix:               12064
RIPE Region transit ASes present in the Internet Routing Table:    3950
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12470
Number of RIPE addresses announced to Internet:               731544064
    Equivalent to 43 /8s, 154 /16s and 122 /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:                  132876
    Total LACNIC prefixes after maximum aggregation:              29493
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         129093
    Unique aggregates announced from the LACNIC address blocks:   48884
LACNIC Region origin ASes present in the Internet Routing Table:  11256
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2350
LACNIC Region transit ASes present in the Internet Routing Table:  2506
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:  9206
Number of LACNIC addresses announced to Internet:             171879936
    Equivalent to 10 /8s, 62 /16s and 174 /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:                  38090
    Total AfriNIC prefixes after maximum aggregation:              6780
    AfriNIC Deaggregation factor:                                  5.62
Prefixes being announced from the AfriNIC address blocks:         52464
    Unique aggregates announced from the AfriNIC address blocks:  13695
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     27.41
AfriNIC Region origin ASes announcing only one prefix:              652
AfriNIC Region transit ASes present in the Internet Routing Table:  380
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: 1282
Number of AfriNIC addresses announced to Internet:            105230336
    Equivalent to 6 /8s, 69 /16s and 176 /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       11029       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4385        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4288        534     301  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3905       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3696       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3274       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2868        853     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2165        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       13548      40828    5163  AMAZON-02, US
   174        5276       8746     879  COGENT-174, US
 11492        4734        314     586  CABLEONE, US
  7155        3864        286      85  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3348       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3231      54784    2482  DNIC-AS-00749, US
396982        3169       3852     418  GOOGLE-CLOUD-PLATFORM, US
 16625        3100       1294    2252  AKAMAI-AS, US
 36352        2830        231     859  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        7713       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4022       3395     126  AKAMAI-ASN1, NL
  9009        3859        337    2054  M247, RO
 12389        3071       2305     887  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2390        360     580  TELLCOM-AS, TR
212238        2154        152    1583  CDNEXT, GB
  8452        1611       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1423         94     738  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       12195       3253     582  UNINET, MX
 10620        3500        480    1017  Telmex Colombia S.A., CO
 13999        2511        540     365  Mega Cable, S.A. de C.V., MX
 11830        1990        369      64  Instituto Costarricense de Electricidad y
 28573        1358       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1339        785     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1205        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1197        371      22  Telefonica del Peru S.A.A., PE
 28202        1125         52       9  Rede Brasileira de Comunicacao SA, BR
 22884        1063         68     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1780        644      27  RAYA-AS, EG
 24863        1654        389      17  LINKdotNET-AS, EG
 29571        1608        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1432       1519     280  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1250        554      97  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1058        523      46  Vodafone-, 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       13548      40828    5163  AMAZON-02, US
  8151       12195       3253     582  UNINET, MX
  9808       11029       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7713       1714     148  UNI2-AS, ES
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5276       8746     879  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4734        314     586  CABLEONE, US
 18403        4385        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4288        534     301  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       12195        11613  UNINET, MX
  9808       11029        10934  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7713         7565  UNI2-AS, ES
  7545        6174         5528  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5276         4397  COGENT-174, US
 18403        4385         4360  FPT-AS-AP FPT Telecom Company, VN
 11492        4734         4148  CABLEONE, US
  9498        4288         3987  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
23.147.240.0/24      Origin:     32302  RESERVED, ZZ
23.147.240.0/24     Transit:     32787  PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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      /11:92      /12:299     
/13:583     /14:1227    /15:2185    /16:13967   /17:8343    /18:13849   
/19:24807   /20:44560   /21:52504   /22:113398  /23:106442  /24:620994  
/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        6629        7713  UNI2-AS, ES
  8151        6365       12195  UNINET, MX
 11492        3531        4734  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        2823        3864  VIASAT-SP-BACKBONE, US
 22773        2497        3348  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2364       13548  AMAZON-02, US
 30036        2231        2572  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2186        3500  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)
----------------------------------------------

   1:2382      2:1520      3:785       4:9         5:5010      6:163    
   7:6         8:1601      9:1        11:172      12:1356     13:434    
  14:2522     15:354      16:285      17:376      18:921      20:535    
  21:4        22:188      23:7577     24:2891     25:2        27:2782   
  29:19       31:3301     32:44       33:1        34:84       35:207    
  36:2957     37:4645     38:10339    39:907      40:169      41:4465   
  42:1954     43:2601     44:386      45:19379    46:5077     47:301    
  49:1944     50:1891     51:591      52:1564     54:320      55:1098   
  56:11       57:270      58:2218     59:1285     60:1168     61:3010   
  62:3014     63:1816     64:5519     65:2196     66:4724     67:3110   
  68:1138     69:4019     70:1084     71:634      72:2934     74:2816   
  75:1529     76:617      77:2806     78:1898     79:1586     80:2223   
  81:2103     82:3134     83:1447     84:1875     85:3419     86:1068   
  87:2393     88:1308     89:4405     90:776      91:8440     92:2712   
  93:2906     94:4068     95:4336     96:1473     97:316      98:978    
  99:686     100:71      101:1429    102:4307    103:32367   104:5071   
 105:1236    106:1034    107:2649    108:1221    109:4073    110:2242   
 111:3297    112:2100    113:1815    114:1980    115:2216    116:2083   
 117:2532    118:2797    119:1920    120:1952    121:1375    122:2790   
 123:2417    124:1598    125:2862    126:91      128:1619    129:1021   
 130:1337    131:2044    132:786     133:451     134:1547    135:379    
 136:1348    137:1131    138:3093    139:1589    140:1595    141:1505   
 142:1927    143:1791    144:1106    145:508     146:2197    147:2111   
 148:2716    149:2954    150:1224    151:1945    152:2101    153:564    
 154:8303    155:2000    156:3223    157:1908    158:1326    159:2443   
 160:3911    161:1885    162:3770    163:2186    164:1763    165:2239   
 166:1478    167:1916    168:4505    169:801     170:5341    171:1008   
 172:4449    173:3322    174:915     175:1294    176:3762    177:5451   
 178:3712    179:2476    180:2663    181:4241    182:3442    183:2110   
 184:2115    185:21779   186:5504    187:4836    188:4275    189:4490   
 190:9829    191:1919    192:11275   193:9512    194:7856    195:5642   
 196:3631    197:3800    198:6127    199:8527    200:8533    201:6486   
 202:10388   203:10696   204:4534    205:3628    206:4488    207:3476   
 208:4276    209:5183    210:4626    211:2528    212:4587    213:3784   
 214:1023    215:48      216:6799    217:3207    218:1363    219:390    
 220:2086    221:1096    222:718     223:2389   

End of report


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