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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Feb 22 18:45:12 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sat 22 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:                              992962
    Prefixes after maximum aggregation (per Origin AS):          372743
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      475670
    Number of IPv4 prefixes with a valid ROA:                    543434
    Number of IPv4 prefixes with an invalid ROA:                    883
    Number of IPv4 prefixes with no ROA:                         448645
Total ASes present in the Internet Routing Table:                 76642
    Prefixes per ASN:                                             12.96
Origin-only ASes present in the Internet Routing Table:           65798
Origin ASes announcing only one prefix:                           26493
Transit ASes present in the Internet Routing Table:               10844
Transit-only ASes present in the Internet Routing Table:            531
Paths with bogon ASNs present in the IPv4 Routing Table:             91
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:              1074
    Number of instances of unregistered ASNs:                      1079
Number of 32-bit ASNs allocated by the RIRs:                      46175
Number of 32-bit ASNs visible in the Routing Table:               37869
Prefixes from 32-bit ASNs in the Routing Table:                  205510
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:            527
Number of addresses announced to Internet:                   3112999680
    Equivalent to 185 /8s, 140 /16s and 155 /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:      327997

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

Prefixes being announced by APNIC Region ASes:                   257021
    Total APNIC prefixes after maximum aggregation:               76129
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          249091
    Unique aggregates announced from the APNIC address blocks:   102743
APNIC Region origin ASes present in the Internet Routing Table:   14501
    APNIC Prefixes per ASN:                                       17.18
APNIC Region origin ASes announcing only one prefix:               4419
APNIC Region transit ASes present in the Internet Routing Table:   1917
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:  10012
Number of APNIC addresses announced to Internet:              753375488
    Equivalent to 44 /8s, 231 /16s and 153 /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:                    289930
    Total ARIN prefixes after maximum aggregation:               127579
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292032
    Unique aggregates announced from the ARIN address blocks:    135854
ARIN Region origin ASes present in the Internet Routing Table:    19216
    ARIN Prefixes per ASN:                                        15.20
ARIN Region origin ASes announcing only one prefix:                7026
ARIN Region transit ASes present in the Internet Routing Table:    1961
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:    5150
Number of ARIN addresses announced to Internet:              1348481792
    Equivalent to 80 /8s, 96 /16s and 51 /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:                    275430
    Total RIPE prefixes after maximum aggregation:               132271
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           272516
    Unique aggregates announced from the RIPE address blocks:    172827
RIPE Region origin ASes present in the Internet Routing Table:    28893
    RIPE Prefixes per ASN:                                         9.43
RIPE Region origin ASes announcing only one prefix:               12051
RIPE Region transit ASes present in the Internet Routing Table:    3936
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:   12293
Number of RIPE addresses announced to Internet:               732325120
    Equivalent to 43 /8s, 166 /16s and 101 /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:                  131998
    Total LACNIC prefixes after maximum aggregation:              29173
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128718
    Unique aggregates announced from the LACNIC address blocks:   48830
LACNIC Region origin ASes present in the Internet Routing Table:  11204
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2335
LACNIC Region transit ASes present in the Internet Routing Table:  2488
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:  9138
Number of LACNIC addresses announced to Internet:             173763328
    Equivalent to 10 /8s, 91 /16s and 107 /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:                  37509
    Total AfriNIC prefixes after maximum aggregation:              6917
    AfriNIC Deaggregation factor:                                  5.42
Prefixes being announced from the AfriNIC address blocks:         50078
    Unique aggregates announced from the AfriNIC address blocks:  14992
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     26.10
AfriNIC Region origin ASes announcing only one prefix:              662
AfriNIC Region transit ASes present in the Internet Routing Table:  376
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: 1276
Number of AfriNIC addresses announced to Internet:            104789248
    Equivalent to 6 /8s, 62 /16s and 245 /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       10334       8753      87  CHINAMOBILE-CN China Mobile Communication
  7545        6210        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4263        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4240        530     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3672       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3262       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2846        854     531  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       12791      39190    3789  AMAZON-02, US
   174        5390       8764     943  COGENT-174, US
 11492        4705        312     562  CABLEONE, US
  7155        4175        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        3014       1296    2199  AKAMAI-AS, US
396982        2930       3660     449  GOOGLE-CLOUD-PLATFORM, US
 30036        2590        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        3974       3395     129  AKAMAI-ASN1, NL
  9009        3736        320    1917  M247, RO
 12389        2993       2303     893  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        2016        147    1489  CDNEXT, GB
  8452        1621       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1499         99     750  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       11744       3213     603  UNINET, MX
 10620        3545        492     952  Telmex Colombia S.A., CO
 13999        2515        541     366  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1351       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        1156        371      22  Telefonica del Peru S.A.A., PE
 28202        1132         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        1644        389      16  LINKdotNET-AS, EG
 29571        1559         98     102  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         847       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  6713         558       1861      35  IAM-AS, MA

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       12791      39190    3789  AMAZON-02, US
  8151       11744       3213     603  UNINET, MX
  9808       10334       8753      87  CHINAMOBILE-CN China Mobile Communication
 12479        7770       1714     145  UNI2-AS, ES
  7545        6210        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5390       8764     943  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4705        312     562  CABLEONE, US
 18403        4263        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4240        530     275  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       11744        11141  UNINET, MX
  9808       10334        10247  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7770         7625  UNI2-AS, ES
  7545        6210         5552  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5390         4447  COGENT-174, US
 18403        4263         4238  FPT-AS-AP FPT Telecom Company, VN
 11492        4705         4143  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4240         3965  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    /16:14010   /17:8360    /18:13875   
/19:24736   /20:44413   /21:52678   /22:113491  /23:104897  /24:612029  
/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        5948       11744  UNINET, MX
 11492        3556        4705  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3620  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2510        3371  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2281       12791  AMAZON-02, US
 30036        2250        2590  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3545  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)
----------------------------------------------

   1:2301      2:1518      3:571       4:10        5:4813      6:163    
   7:6         8:1551      9:1        11:172      12:1378     13:349    
  14:2510     15:347      16:274      17:356      18:917      20:457    
  21:4        22:188      23:7347     24:2769     25:2        27:2737   
  29:19       31:3176     32:43       34:82       35:201      36:2414   
  37:4627     38:9932     39:897      40:157      41:4459     42:1945   
  43:2546     44:350      45:19048    46:5003     47:291      49:1984   
  50:1892     51:590      52:1571     54:300      55:1092     56:9      
  57:252      58:2230     59:1220     60:1167     61:3013     62:3007   
  63:1842     64:5539     65:2210     66:4697     67:3066     68:1124   
  69:4011     70:1108     71:617      72:2941     74:2804     75:1651   
  76:612      77:2780     78:1862     79:1731     80:2225     81:2050   
  82:2627     83:1422     84:1802     85:3362     86:1022     87:2421   
  88:1300     89:4321     90:763      91:8405     92:2804     93:2878   
  94:3925     95:4229     96:1364     97:318      98:979      99:742    
 100:71      101:1384    102:4132    103:32516   104:4813    105:1225   
 106:989     107:2588    108:1208    109:4126    110:2226    111:3317   
 112:2055    113:1816    114:1947    115:2203    116:2080    117:2745   
 118:2805    119:1962    120:1880    121:1362    122:2780    123:2318   
 124:1580    125:2875    126:94      128:1598    129:1021    130:1303   
 131:1905    132:798     133:450     134:1523    135:371     136:1338   
 137:1113    138:3049    139:1612    140:1568    141:1489    142:1848   
 143:1633    144:1063    145:472     146:2141    147:2064    148:2589   
 149:2944    150:1236    151:1682    152:2122    153:574     154:7852   
 155:1626    156:3150    157:1897    158:1252    159:2426    160:3644   
 161:1922    162:3701    163:1850    164:1716    165:2190    166:1351   
 167:1899    168:4207    169:802     170:5275    171:1000    172:4361   
 173:3276    174:917     175:1288    176:3667    177:5463    178:3829   
 179:2401    180:2615    181:4130    182:3369    183:2020    184:2305   
 185:21678   186:5444    187:4723    188:4250    189:4375    190:9812   
 191:1960    192:11172   193:9425    194:7820    195:5591    196:3580   
 197:3845    198:6116    199:8362    200:8477    201:6402    202:10469  
 203:10681   204:4546    205:3674    206:4639    207:3473    208:4210   
 209:5157    210:4636    211:2525    212:4546    213:3791    214:1056   
 215:42      216:6625    217:3166    218:1355    219:388     220:2111   
 221:1056    222:714     223:2321   

End of report


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