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

REN Routing Table Report cscora at bgp.nsrc.org
Fri May 16 18:45:14 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Fri 16 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:                             1001456
    Prefixes after maximum aggregation (per Origin AS):          378746
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      479646
    Number of IPv4 prefixes with a valid ROA:                    557358
    Number of IPv4 prefixes with an invalid ROA:                    479
    Number of IPv4 prefixes with no ROA:                         443619
Total ASes present in the Internet Routing Table:                 76862
    Prefixes per ASN:                                             13.03
Origin-only ASes present in the Internet Routing Table:           65962
Origin ASes announcing only one prefix:                           26577
Transit ASes present in the Internet Routing Table:               10900
Transit-only ASes present in the Internet Routing Table:            553
Paths with bogon ASNs present in the IPv4 Routing Table:             82
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                     156
    Max AS path prepend of ASN (153737)                             150
Prefixes from unregistered ASNs in the Routing Table:              1008
    Number of instances of unregistered ASNs:                      1009
Number of 32-bit ASNs allocated by the RIRs:                      46423
Number of 32-bit ASNs visible in the Routing Table:               38268
Prefixes from 32-bit ASNs in the Routing Table:                  209218
Number of bogon 32-bit ASNs visible in the Routing Table:            19
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            467
Number of addresses announced to Internet:                   3109039104
    Equivalent to 185 /8s, 80 /16s and 44 /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:      330375

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

Prefixes being announced by APNIC Region ASes:                   258790
    Total APNIC prefixes after maximum aggregation:               76935
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          250020
    Unique aggregates announced from the APNIC address blocks:   103100
APNIC Region origin ASes present in the Internet Routing Table:   14581
    APNIC Prefixes per ASN:                                       17.15
APNIC Region origin ASes announcing only one prefix:               4445
APNIC Region transit ASes present in the Internet Routing Table:   1929
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                        156
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10118
Number of APNIC addresses announced to Internet:              748550656
    Equivalent to 44 /8s, 157 /16s and 250 /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:                    293069
    Total ARIN prefixes after maximum aggregation:               130673
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           294662
    Unique aggregates announced from the ARIN address blocks:    138742
ARIN Region origin ASes present in the Internet Routing Table:    19228
    ARIN Prefixes per ASN:                                        15.32
ARIN Region origin ASes announcing only one prefix:                7047
ARIN Region transit ASes present in the Internet Routing Table:    1950
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:    5211
Number of ARIN addresses announced to Internet:              1352110848
    Equivalent to 80 /8s, 151 /16s and 147 /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:                    277065
    Total RIPE prefixes after maximum aggregation:               134085
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           274818
    Unique aggregates announced from the RIPE address blocks:    174636
RIPE Region origin ASes present in the Internet Routing Table:    28960
    RIPE Prefixes per ASN:                                         9.49
RIPE Region origin ASes announcing only one prefix:               12064
RIPE Region transit ASes present in the Internet Routing Table:    3960
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:   12459
Number of RIPE addresses announced to Internet:               731072256
    Equivalent to 43 /8s, 147 /16s and 71 /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:                  133442
    Total LACNIC prefixes after maximum aggregation:              29520
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128895
    Unique aggregates announced from the LACNIC address blocks:   48869
LACNIC Region origin ASes present in the Internet Routing Table:  11245
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2358
LACNIC Region transit ASes present in the Internet Routing Table:  2505
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:  9195
Number of LACNIC addresses announced to Internet:             171729408
    Equivalent to 10 /8s, 60 /16s and 98 /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:                  38082
    Total AfriNIC prefixes after maximum aggregation:              6898
    AfriNIC Deaggregation factor:                                  5.52
Prefixes being announced from the AfriNIC address blocks:         52594
    Unique aggregates announced from the AfriNIC address blocks:  13901
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.42
AfriNIC Region origin ASes announcing only one prefix:              663
AfriNIC Region transit ASes present in the Internet Routing Table:  378
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: 1285
Number of AfriNIC addresses announced to Internet:            105357824
    Equivalent to 6 /8s, 71 /16s and 162 /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       10988       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6160        842     649  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4357        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4283        533     300  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3906       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3695       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3267       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2862        851     546  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2164        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       13390      40825    5015  AMAZON-02, US
   174        5336       8747     880  COGENT-174, US
 11492        4727        313     592  CABLEONE, US
  7155        3864        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3349       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3243      54815    2494  DNIC-AS-00749, US
396982        3164       3851     416  GOOGLE-CLOUD-PLATFORM, US
 16625        3106       1299    2254  AKAMAI-AS, US
 36352        2790        228     856  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        7697       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4027       3395     126  AKAMAI-ASN1, NL
  9009        3777        326    1958  M247, RO
 12389        3070       2305     887  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     581  TELLCOM-AS, TR
212238        2139        150    1574  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1585       1852      14  TE-AS TE-AS, EG
  8551        1424        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       12134       3247     583  UNINET, MX
 10620        3500        480    1019  Telmex Colombia S.A., CO
 13999        2520        540     364  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad y
 28573        1358       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1338        785     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1204        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1195        371      22  Telefonica del Peru S.A.A., PE
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
262287        1066         83     227  Latitude.sh LTDA, BR

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        1778        632      28  RAYA-AS, EG
 24863        1653        389      16  LINKdotNET-AS, EG
 29571        1598        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        1040        523      45  Vodafone-, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         559        661     318  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       13390      40825    5015  AMAZON-02, US
  8151       12134       3247     583  UNINET, MX
  9808       10988       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7697       1714     148  UNI2-AS, ES
  7545        6160        842     649  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5336       8747     880  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4727        313     592  CABLEONE, US
 18403        4357        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4283        533     300  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       12134        11551  UNINET, MX
  9808       10988        10893  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7697         7549  UNI2-AS, ES
  7545        6160         5511  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5336         4456  COGENT-174, US
 18403        4357         4332  FPT-AS-AP FPT Telecom Company, VN
 11492        4727         4135  CABLEONE, US
  9498        4283         3983  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4027         3901  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     
/13:582     /14:1227    /15:2186    /16:14044   /17:8335    /18:13873   
/19:24804   /20:44478   /21:52478   /22:113219  /23:106009  /24:619757  
/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        6613        7697  UNI2-AS, ES
  8151        6308       12134  UNINET, MX
 11492        3533        4727  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2823        3864  VIASAT-SP-BACKBONE, US
 22773        2499        3349  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2332       13390  AMAZON-02, US
 30036        2228        2568  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)
----------------------------------------------

   1:2351      2:1523      3:744       4:11        5:4981      6:163    
   7:6         8:1605      9:1        11:172      12:1366     13:417    
  14:2520     15:353      16:284      17:372      18:914      20:526    
  21:4        22:188      23:7570     24:2852     25:2        27:2765   
  29:19       31:3303     32:44       33:1        34:84       35:204    
  36:2895     37:4660     38:10334    39:910      40:169      41:4444   
  42:1968     43:2587     44:384      45:19343    46:5073     47:301    
  49:1944     50:1903     51:591      52:1554     54:312      55:1090   
  56:11       57:267      58:2216     59:1281     60:1167     61:2998   
  62:3020     63:1826     64:5524     65:2173     66:4700     67:3083   
  68:1131     69:4011     70:1069     71:634      72:2850     74:2805   
  75:1628     76:616      77:2804     78:1884     79:1761     80:2219   
  81:2093     82:3123     83:1440     84:1867     85:3421     86:1069   
  87:2416     88:1307     89:4380     90:776      91:8421     92:2699   
  93:2908     94:4062     95:4321     96:1475     97:316      98:980    
  99:686     100:72      101:1168    102:4325    103:32308   104:5041   
 105:1237    106:1032    107:2645    108:1230    109:4122    110:2235   
 111:3325    112:2073    113:1803    114:1976    115:2190    116:2083   
 117:2586    118:2790    119:1957    120:1924    121:1367    122:2779   
 123:2403    124:1588    125:2850    126:91      128:1612    129:1021   
 130:1303    131:2041    132:780     133:451     134:1548    135:378    
 136:1352    137:1128    138:3082    139:1591    140:1592    141:1504   
 142:1924    143:1777    144:1097    145:512     146:2173    147:2108   
 148:2710    149:2925    150:1220    151:1903    152:2103    153:563    
 154:8325    155:1988    156:3326    157:1894    158:1310    159:2447   
 160:3916    161:1888    162:3761    163:2157    164:1729    165:2227   
 166:1481    167:1931    168:4467    169:800     170:5345    171:1006   
 172:4469    173:3306    174:916     175:1298    176:3755    177:5491   
 178:3691    179:2491    180:2654    181:4204    182:3432    183:2095   
 184:2119    185:21741   186:5496    187:4819    188:4258    189:4490   
 190:9763    191:1932    192:11250   193:9522    194:7847    195:5639   
 196:3652    197:3782    198:6123    199:8509    200:8535    201:6471   
 202:10340   203:10661   204:4546    205:3606    206:4494    207:3476   
 208:4288    209:5215    210:4599    211:2537    212:4573    213:3782   
 214:1028    215:48      216:6749    217:3209    218:1358    219:392    
 220:2085    221:1085    222:714     223:2381   

End of report


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