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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Feb 20 18:45:19 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 20 Feb, 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:                              991914
    Prefixes after maximum aggregation (per Origin AS):          372363
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      475314
    Number of IPv4 prefixes with a valid ROA:                    542385
    Number of IPv4 prefixes with an invalid ROA:                    601
    Number of IPv4 prefixes with no ROA:                         448928
Total ASes present in the Internet Routing Table:                 76632
    Prefixes per ASN:                                             12.94
Origin-only ASes present in the Internet Routing Table:           65784
Origin ASes announcing only one prefix:                           26504
Transit ASes present in the Internet Routing Table:               10848
Transit-only ASes present in the Internet Routing Table:            534
Paths with bogon ASNs present in the IPv4 Routing Table:             83
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:              1075
    Number of instances of unregistered ASNs:                      1080
Number of 32-bit ASNs allocated by the RIRs:                      46146
Number of 32-bit ASNs visible in the Routing Table:               37863
Prefixes from 32-bit ASNs in the Routing Table:                  205379
Number of bogon 32-bit ASNs visible in the Routing Table:            25
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            535
Number of addresses announced to Internet:                   3112923136
    Equivalent to 185 /8s, 139 /16s and 112 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      327967

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

Prefixes being announced by APNIC Region ASes:                   256537
    Total APNIC prefixes after maximum aggregation:               75914
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          248809
    Unique aggregates announced from the APNIC address blocks:   102647
APNIC Region origin ASes present in the Internet Routing Table:   14481
    APNIC Prefixes per ASN:                                       17.18
APNIC Region origin ASes announcing only one prefix:               4412
APNIC Region transit ASes present in the Internet Routing Table:   1916
Average APNIC Region AS path length visible:                        5.4
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9995
Number of APNIC addresses announced to Internet:              753351168
    Equivalent to 44 /8s, 231 /16s and 58 /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:                    289292
    Total ARIN prefixes after maximum aggregation:               127438
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           291770
    Unique aggregates announced from the ARIN address blocks:    135796
ARIN Region origin ASes present in the Internet Routing Table:    19216
    ARIN Prefixes per ASN:                                        15.18
ARIN Region origin ASes announcing only one prefix:                7028
ARIN Region transit ASes present in the Internet Routing Table:    1963
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:    5154
Number of ARIN addresses announced to Internet:              1344395264
    Equivalent to 80 /8s, 33 /16s and 216 /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:                    275415
    Total RIPE prefixes after maximum aggregation:               132246
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           272481
    Unique aggregates announced from the RIPE address blocks:    172729
RIPE Region origin ASes present in the Internet Routing Table:    28887
    RIPE Prefixes per ASN:                                         9.43
RIPE Region origin ASes announcing only one prefix:               12055
RIPE Region transit ASes present in the Internet Routing Table:    3940
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:   12295
Number of RIPE addresses announced to Internet:               732252160
    Equivalent to 43 /8s, 165 /16s and 72 /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:                  132120
    Total LACNIC prefixes after maximum aggregation:              29172
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:         129169
    Unique aggregates announced from the LACNIC address blocks:   48849
LACNIC Region origin ASes present in the Internet Routing Table:  11211
    LACNIC Prefixes per ASN:                                      11.52
LACNIC Region origin ASes announcing only one prefix:              2347
LACNIC Region transit ASes present in the Internet Routing Table:  2485
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:  9144
Number of LACNIC addresses announced to Internet:             177925632
    Equivalent to 10 /8s, 154 /16s and 238 /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:                  37475
    Total AfriNIC prefixes after maximum aggregation:              6909
    AfriNIC Deaggregation factor:                                  5.42
Prefixes being announced from the AfriNIC address blocks:         49150
    Unique aggregates announced from the AfriNIC address blocks:  14861
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     25.64
AfriNIC Region origin ASes announcing only one prefix:              662
AfriNIC Region transit ASes present in the Internet Routing Table:  373
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: 1275
Number of AfriNIC addresses announced to Internet:            104733952
    Equivalent to 6 /8s, 62 /16s and 29 /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       10333       8753      87  CHINAMOBILE-CN China Mobile Communication
  7545        6209        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4275        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3672       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3256       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2843        855     527  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4766        2150      11521     612  KIXS-AS-KR Korea Telecom, KR

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       12793      39190    3782  AMAZON-02, US
   174        5560       8765     945  COGENT-174, US
 11492        4703        312     568  CABLEONE, US
  7155        4173        286      83  VIASAT-SP-BACKBONE, US
  6327        3620       1320      81  SHAW, CA
 22773        3371       3033     180  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3015       1296    2198  AKAMAI-AS, US
396982        2929       3660     448  GOOGLE-CLOUD-PLATFORM, US
 30036        2591        359     278  MEDIACOM-ENTERPRISE-BUSINESS, 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        7770       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3969       3395     129  AKAMAI-ASN1, NL
  9009        3736        320    1918  M247, RO
 12389        2993       2303     893  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        2019        146    1495  CDNEXT, GB
  8452        1619       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1497         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       11802       3229     595  UNINET, MX
 10620        3544        492     951  Telmex Colombia S.A., CO
 13999        2512        539     366  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1349       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1159        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1155        371      23  Telefonica del Peru S.A.A., PE
 28202        1131         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1130        374     163  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        1683        599      30  RAYA-AS, EG
 24863        1643        389      16  LINKdotNET-AS, EG
 29571        1556         98     101  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 20011        1291        202     342  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935         997        521      42  Vodafone-, EG
 37069         843       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
 36914         558         82       3  KENET-AS, KE

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       12793      39190    3782  AMAZON-02, US
  8151       11802       3229     595  UNINET, MX
  9808       10333       8753      87  CHINAMOBILE-CN China Mobile Communication
 12479        7770       1714     145  UNI2-AS, ES
  7545        6209        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5560       8765     945  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4703        312     568  CABLEONE, US
 18403        4275        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  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       11802        11207  UNINET, MX
  9808       10333        10246  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7770         7625  UNI2-AS, ES
  7545        6209         5552  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5560         4615  COGENT-174, US
 18403        4275         4250  FPT-AS-AP FPT Telecom Company, VN
 11492        4703         4135  CABLEONE, US
  7155        4173         4090  VIASAT-SP-BACKBONE, US
  9498        4215         3942  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
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     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
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, 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

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      /10:42      /11:92      /12:307     
/13:587     /14:1229    /15:2184    /16:14009   /17:8360    /18:13872   
/19:24745   /20:44395   /21:52695   /22:113469  /23:104875  /24:611021  
/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        6723        7770  UNI2-AS, ES
  8151        5977       11802  UNINET, MX
 11492        3556        4703  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        3120        4173  VIASAT-SP-BACKBONE, US
 22773        2510        3371  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2277       12793  AMAZON-02, US
 30036        2251        2591  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3544  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)
----------------------------------------------

   1:2302      2:1519      3:573       4:10        5:4812      6:165    
   7:6         8:1558      9:1        11:172      12:1381     13:348    
  14:2509     15:348      16:273      17:356      18:917      20:457    
  21:4        22:188      23:7312     24:2773     25:2        27:2741   
  29:19       31:3178     32:43       34:82       35:201      36:2415   
  37:4628     38:9939     39:897      40:153      41:4456     42:1946   
  43:2547     44:352      45:19027    46:5006     47:291      49:1982   
  50:1895     51:589      52:1570     54:300      55:1079     56:9      
  57:252      58:2230     59:1205     60:1167     61:3004     62:3018   
  63:1841     64:5533     65:2210     66:4693     67:3067     68:1119   
  69:4007     70:1108     71:617      72:2935     74:2808     75:1649   
  76:611      77:2776     78:1861     79:1726     80:2225     81:2049   
  82:2592     83:1424     84:1802     85:3365     86:1019     87:2424   
  88:1302     89:4325     90:763      91:8408     92:2810     93:2880   
  94:3923     95:4226     96:1365     97:318      98:979      99:741    
 100:71      101:1378    102:4152    103:32457   104:4807    105:1226   
 106:994     107:2589    108:1206    109:4132    110:2222    111:3305   
 112:2054    113:1807    114:1947    115:2210    116:2077    117:2740   
 118:2807    119:1961    120:1880    121:1364    122:2777    123:2320   
 124:1583    125:2872    126:94      128:1600    129:1019    130:1302   
 131:1902    132:797     133:450     134:1526    135:371     136:1340   
 137:1113    138:3044    139:1604    140:1568    141:1489    142:1850   
 143:1630    144:1050    145:472     146:2137    147:2064    148:2615   
 149:2936    150:1232    151:1685    152:2122    153:574     154:7494   
 155:1625    156:2758    157:1890    158:1250    159:2427    160:3638   
 161:1913    162:3702    163:1843    164:1731    165:2195    166:1361   
 167:1903    168:4208    169:804     170:5282    171:1001    172:4363   
 173:3276    174:917     175:1290    176:3662    177:5461    178:3830   
 179:2394    180:2614    181:4121    182:3369    183:2017    184:2303   
 185:21665   186:5448    187:4740    188:4250    189:4415    190:9812   
 191:1958    192:11186   193:9420    194:7819    195:5592    196:3582   
 197:3832    198:6116    199:8350    200:8482    201:6411    202:10458  
 203:10664   204:4548    205:3661    206:4632    207:3475    208:4200   
 209:5150    210:4597    211:2520    212:4545    213:3794    214:1059   
 215:42      216:6624    217:3167    218:1354    219:388     220:2110   
 221:1052    222:714     223:2315   

End of report


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