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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Jan 6 22:42:02 UTC 2025


IPv4 R&E Routing Table Report   22:35 GMT Mon 06 Jan, 2025

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                             1028216
    Prefixes after maximum aggregation (per Origin AS):          374376
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      469679
Total ASes present in the Internet Routing Table:                 76613
    Prefixes per ASN:                                             13.42
Origin-only ASes present in the Internet Routing Table:           65915
Origin ASes announcing only one prefix:                           26211
Transit ASes present in the Internet Routing Table:               10698
Transit-only ASes present in the Internet Routing Table:            523
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.2
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1126
    Number of instances of unregistered ASNs:                      1133
Number of 32-bit ASNs allocated by the RIRs:                      46015
Number of 32-bit ASNs visible in the Routing Table:               37639
Prefixes from 32-bit ASNs in the Routing Table:                  207548
Number of bogon 32-bit ASNs visible in the Routing Table:            73
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            530
Number of addresses announced to Internet:                   3126781049
    Equivalent to 186 /8s, 94 /16s and 228 /24s
    Percentage of available address space announced:               84.5
    Percentage of allocated address space announced:               84.5
    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:      346192

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

Prefixes being announced by APNIC Region ASes:                   265722
    Total APNIC prefixes after maximum aggregation:               76774
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257130
    Unique aggregates announced from the APNIC address blocks:   102187
APNIC Region origin ASes present in the Internet Routing Table:   14502
    APNIC Prefixes per ASN:                                       17.73
APNIC Region origin ASes announcing only one prefix:               4423
APNIC Region transit ASes present in the Internet Routing Table:   1918
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9943
Number of APNIC addresses announced to Internet:              762118464
    Equivalent to 45 /8s, 109 /16s and 1 /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, 131072-153913
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:                    296891
    Total ARIN prefixes after maximum aggregation:               128497
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           297929
    Unique aggregates announced from the ARIN address blocks:    132485
ARIN Region origin ASes present in the Internet Routing Table:    19220
    ARIN Prefixes per ASN:                                        15.50
ARIN Region origin ASes announcing only one prefix:                6958
ARIN Region transit ASes present in the Internet Routing Table:    1932
Average ARIN Region AS path length visible:                         2.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5109
Number of ARIN addresses announced to Internet:              1348977862
    Equivalent to 80 /8s, 103 /16s and 196 /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:                    287817
    Total RIPE prefixes after maximum aggregation:               132478
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           284601
    Unique aggregates announced from the RIPE address blocks:    170235
RIPE Region origin ASes present in the Internet Routing Table:    28861
    RIPE Prefixes per ASN:                                         9.86
RIPE Region origin ASes announcing only one prefix:               12037
RIPE Region transit ASes present in the Internet Routing Table:    3854
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          24
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12194
Number of RIPE addresses announced to Internet:               733158435
    Equivalent to 43 /8s, 179 /16s and 28 /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:                  138222
    Total LACNIC prefixes after maximum aggregation:              29223
    LACNIC Deaggregation factor:                                   4.73
Prefixes being announced from the LACNIC address blocks:         135811
    Unique aggregates announced from the LACNIC address blocks:   48945
LACNIC Region origin ASes present in the Internet Routing Table:  11193
    LACNIC Prefixes per ASN:                                      12.13
LACNIC Region origin ASes announcing only one prefix:              2156
LACNIC Region transit ASes present in the Internet Routing Table:  2469
Average LACNIC Region AS path length visible:                       3.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9120
Number of LACNIC addresses announced to Internet:             177594752
    Equivalent to 10 /8s, 149 /16s and 225 /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:                  38431
    Total AfriNIC prefixes after maximum aggregation:              6705
    AfriNIC Deaggregation factor:                                  5.73
Prefixes being announced from the AfriNIC address blocks:         52213
    Unique aggregates announced from the AfriNIC address blocks:  15394
AfriNIC Region origin ASes present in the Internet Routing Table:  1915
    AfriNIC Prefixes per ASN:                                     27.27
AfriNIC Region origin ASes announcing only one prefix:              637
AfriNIC Region transit ASes present in the Internet Routing Table:  358
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273
Number of AfriNIC addresses announced to Internet:            104663552
    Equivalent to 6 /8s, 61 /16s and 10 /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       10162       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6197        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5042       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4312        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4063        524     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3893       1890      49  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2814        845     543  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2235       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12604      38848    3284  AMAZON-02, US
   174        6214       8764     879  COGENT-174, US
 11492        4692        312     552  CABLEONE, US
  7155        4169        287      85  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3411       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3174      23477    2046  ATT-INTERNET4, US
  2152        3149        508     130  CENIC-2152, US
 16625        3013       1304    2188  AKAMAI-AS, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9650       1282    1363  TTNET, TR
 12479        7699       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4027       3396     141  AKAMAI-ASN1, NL
  9009        3763        323    1906  M247, RO
 12389        2979       2300     887  ROSTELECOM-AS, RU
 34984        2416        363     570  TELLCOM-AS, TR
  8452        1961       1852      14  TE-AS TE-AS, EG
212238        1856        133    1370  CDNEXT, GB
  5384        1792        585      30  EMIRATES-INTERNET Emirates Internet, AE

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11819       3246     710  UNINET, MX
 10620        3548        494     936  Telmex Colombia S.A., CO
 13999        2534        538     368  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad y
 28573        1574       2310     261  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1170        374     163  Axtel, S.A.B. de C.V., MX
 28202        1126         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1115        371      22  Telefonica del Peru S.A.A., PE
 22884        1073         98     376  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1669        593      29  RAYA-AS, EG
 24863        1636        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1489         94      57  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1236        193     304  INTERNET-SOLUTIONS, ZA
 36935        1017        523      45  Vodafone-, EG
 37069         832       1083      15  MOBINIL, EG
  6713         558       1861      35  IAM-AS, MA

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12604      38848    3284  AMAZON-02, US
  8151       11819       3246     710  UNINET, MX
  9808       10162       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9650       1282    1363  TTNET, TR
 12479        7699       1709     143  UNI2-AS, ES
   174        6214       8764     879  COGENT-174, US
  7545        6197        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5042       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4692        312     552  CABLEONE, US

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       11819        11109  UNINET, MX
  9808       10162        10038  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9650         8287  TTNET, TR
 12479        7699         7556  UNI2-AS, ES
  7545        6197         5532  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6214         5335  COGENT-174, US
  4538        5042         4965  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4312         4289  FPT-AS-AP FPT Telecom Company, VN
 11492        4692         4140  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/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
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     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/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
10.116.75.0/24            22884  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
100.80.0.0/24             60478  KSYS, CH
100.126.255.172/30        13979  ATT-IPFR, US
100.126.255.176/30        13979  ATT-IPFR, US
100.126.255.180/30        13979  ATT-IPFR, US
100.126.255.184/30        13979  ATT-IPFR, US
100.127.255.0/26          64510  RESERVED, ZZ
100.127.255.64/28         64510  RESERVED, ZZ
100.127.255.80/28         64510  RESERVED, ZZ
100.127.255.128/26        64511  RESERVED, ZZ

Complete listing at https://bgp.nsrc.org/REN/OIX/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
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      7018  ATT-INTERNET4, 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

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:42      /11:93      /12:312     
/13:595     /14:1242    /15:2221    /16:14166   /17:8562    /18:14735   
/19:25650   /20:46339   /21:55104   /22:116253  /23:110006  /24:626691  
/25:653     /26:653     /27:1188    /28:224     /29:378     /30:248     
/31:1249    /32:1579    

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 47331        8736        9650  TTNET, TR
 12479        6671        7699  UNI2-AS, ES
  8151        5969       11819  UNINET, MX
 11492        3555        4692  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3409        3614  SHAW, CA
  7155        3117        4169  VIASAT-SP-BACKBONE, US
 22773        2544        3411  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2256       12604  AMAZON-02, US
 30036        2215        2554  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2321      2:1658      3:538       4:25        5:4820      6:165    
   7:6         8:1651      9:1        10:1        11:172      12:1395   
  13:359      14:2510     15:334      16:270      17:360      18:906    
  20:457      21:4        22:188      23:7265     24:2775     25:2      
  27:2729     29:19       31:3123     32:56       34:73       35:181    
  36:2422     37:4643     38:10371    39:883      40:151      41:4735   
  42:1991     43:2546     44:345      45:19908    46:5027     47:294    
  49:2023     50:1879     51:586      52:1606     54:308      55:1028   
  56:8        57:244      58:2291     59:1252     60:1158     61:2981   
  62:3006     63:1857     64:5473     65:2234     66:4740     67:3091   
  68:1296     69:4026     70:1129     71:613      72:2938     74:2815   
  75:1639     76:632      77:2715     78:4227     79:1723     80:2261   
  81:2211     82:1864     83:1452     84:1825     85:4208     86:987    
  87:2437     88:3412     89:4454     90:762      91:8432     92:2762   
  93:2855     94:3921     95:5419     96:1258     97:316      98:1064   
  99:732     100:73      101:1393    102:4315    103:32533   104:4522   
 105:2168    106:1032    107:2618    108:1198    109:4120    110:2265   
 111:3348    112:2065    113:1816    114:1955    115:2251    116:2056   
 117:2691    118:2885    119:2025    120:1893    121:1415    122:2864   
 123:2199    124:1691    125:2884    126:62      128:1677    129:1023   
 130:1304    131:2033    132:923     133:450     134:1521    135:369    
 136:1349    137:1165    138:3248    139:1556    140:1525    141:1466   
 142:1861    143:1703    144:1039    145:441     146:2145    147:2044   
 148:2599    149:2918    150:1199    151:1574    152:2138    153:570    
 154:8447    155:1593    156:3545    157:1901    158:1263    159:2439   
 160:3574    161:1816    162:3651    163:1794    164:1740    165:2203   
 166:1350    167:1897    168:4413    169:825     170:5513    171:1005   
 172:4055    173:3217    174:918     175:1288    176:3688    177:6320   
 178:3906    179:2708    180:2616    181:4146    182:3355    183:2069   
 184:2269    185:21629   186:5706    187:4907    188:4384    189:4464   
 190:9916    191:2108    192:11281   193:9364    194:7782    195:5565   
 196:3486    197:3833    198:6177    199:8322    200:8639    201:6569   
 202:10917   203:10736   204:4669    205:3729    206:4720    207:3639   
 208:4235    209:5201    210:4842    211:2611    212:4614    213:3891   
 214:1056    215:48      216:6712    217:3157    218:1387    219:551    
 220:2111    221:1052    222:850     223:2300   

End of report


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