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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Jan 4 22:41:55 UTC 2025


IPv4 R&E Routing Table Report   22:35 GMT Sat 04 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:                             1028176
    Prefixes after maximum aggregation (per Origin AS):          374567
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      470048
Total ASes present in the Internet Routing Table:                 76597
    Prefixes per ASN:                                             13.42
Origin-only ASes present in the Internet Routing Table:           65893
Origin ASes announcing only one prefix:                           26191
Transit ASes present in the Internet Routing Table:               10704
Transit-only ASes present in the Internet Routing Table:            520
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:              1127
    Number of instances of unregistered ASNs:                      1134
Number of 32-bit ASNs allocated by the RIRs:                      46004
Number of 32-bit ASNs visible in the Routing Table:               37621
Prefixes from 32-bit ASNs in the Routing Table:                  207508
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:            531
Number of addresses announced to Internet:                   3126542969
    Equivalent to 186 /8s, 91 /16s and 66 /24s
    Percentage of available address space announced:               84.4
    Percentage of allocated address space announced:               84.4
    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:      346074

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

Prefixes being announced by APNIC Region ASes:                   265797
    Total APNIC prefixes after maximum aggregation:               76757
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257231
    Unique aggregates announced from the APNIC address blocks:   102141
APNIC Region origin ASes present in the Internet Routing Table:   14503
    APNIC Prefixes per ASN:                                       17.74
APNIC Region origin ASes announcing only one prefix:               4423
APNIC Region transit ASes present in the Internet Routing Table:   1915
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:   9942
Number of APNIC addresses announced to Internet:              762065472
    Equivalent to 45 /8s, 108 /16s and 50 /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:                    296929
    Total ARIN prefixes after maximum aggregation:               128425
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           297938
    Unique aggregates announced from the ARIN address blocks:    132500
ARIN Region origin ASes present in the Internet Routing Table:    19218
    ARIN Prefixes per ASN:                                        15.50
ARIN Region origin ASes announcing only one prefix:                6952
ARIN Region transit ASes present in the Internet Routing Table:    1934
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:    5110
Number of ARIN addresses announced to Internet:              1349035974
    Equivalent to 80 /8s, 104 /16s and 167 /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:                    287656
    Total RIPE prefixes after maximum aggregation:               132444
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           284427
    Unique aggregates announced from the RIPE address blocks:    170206
RIPE Region origin ASes present in the Internet Routing Table:    28855
    RIPE Prefixes per ASN:                                         9.86
RIPE Region origin ASes announcing only one prefix:               12033
RIPE Region transit ASes present in the Internet Routing Table:    3853
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:   12188
Number of RIPE addresses announced to Internet:               733220131
    Equivalent to 43 /8s, 180 /16s and 13 /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:                  138262
    Total LACNIC prefixes after maximum aggregation:              29539
    LACNIC Deaggregation factor:                                   4.68
Prefixes being announced from the LACNIC address blocks:         135867
    Unique aggregates announced from the LACNIC address blocks:   49361
LACNIC Region origin ASes present in the Internet Routing Table:  11185
    LACNIC Prefixes per ASN:                                      12.15
LACNIC Region origin ASes announcing only one prefix:              2142
LACNIC Region transit ASes present in the Internet Routing Table:  2475
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:  9109
Number of LACNIC addresses announced to Internet:             177294464
    Equivalent to 10 /8s, 145 /16s and 76 /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:                  38398
    Total AfriNIC prefixes after maximum aggregation:              6701
    AfriNIC Deaggregation factor:                                  5.73
Prefixes being announced from the AfriNIC address blocks:         52180
    Unique aggregates announced from the AfriNIC address blocks:  15406
AfriNIC Region origin ASes present in the Internet Routing Table:  1915
    AfriNIC Prefixes per ASN:                                     27.25
AfriNIC Region origin ASes announcing only one prefix:              641
AfriNIC Region transit ASes present in the Internet Routing Table:  359
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: 1272
Number of AfriNIC addresses announced to Internet:            104658688
    Equivalent to 6 /8s, 60 /16s and 247 /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        6196        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5029       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4331        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4060        524     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3894       1890      49  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2826        845     538  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       12606      38849    3284  AMAZON-02, US
   174        6208       8764     879  COGENT-174, US
 11492        4692        312     552  CABLEONE, US
  7155        4175        287      85  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3418       3049     187  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3262      54895    2509  DNIC-AS-00749, US
  7018        3248      23513    2062  ATT-INTERNET4, US
  2152        3171        508     130  CENIC-2152, US
 16625        3007       1302    2192  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        7698       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4027       3396     141  AKAMAI-ASN1, NL
  9009        3771        323    1913  M247, RO
 12389        2979       2300     887  ROSTELECOM-AS, RU
 34984        2416        363     570  TELLCOM-AS, TR
  8452        1947       1852      14  TE-AS TE-AS, EG
212238        1845        133    1359  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       11806       3246     709  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        1575       2310     261  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1139        315     486  Axtel, S.A.B. de C.V., MX
 28202        1126         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1116        371      22  Telefonica del Peru S.A.A., PE
 22884        1069         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        1643        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1483         94      56  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        1001        521      42  Vodafone-, EG
 37069         832       1083      15  MOBINIL, EG
  6713         556       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       12606      38849    3284  AMAZON-02, US
  8151       11806       3246     709  UNINET, MX
  9808       10162       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9650       1282    1363  TTNET, TR
 12479        7698       1709     143  UNI2-AS, ES
   174        6208       8764     879  COGENT-174, US
  7545        6196        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5029       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       11806        11097  UNINET, MX
  9808       10162        10038  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9650         8287  TTNET, TR
 12479        7698         7555  UNI2-AS, ES
  7545        6196         5531  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6208         5329  COGENT-174, US
  4538        5029         4952  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4331         4308  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     /14:1241    /15:2218    /16:14163   /17:8554    /18:14738   
/19:25638   /20:46347   /21:55123   /22:116264  /23:109981  /24:626643  
/25:653     /26:654     /27:1189    /28:224     /29:380     /30:249     
/31:1255    /32:1587    

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

   ASN  No of nets  Total ann.  Description
 47331        8736        9650  TTNET, TR
 12479        6670        7698  UNI2-AS, ES
  8151        5956       11806  UNINET, MX
 11492        3555        4692  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3409        3614  SHAW, CA
  7155        3123        4175  VIASAT-SP-BACKBONE, US
 22773        2550        3418  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2256       12606  AMAZON-02, US
 30036        2226        2565  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2317      2:1658      3:538       4:25        5:4822      6:165    
   7:6         8:1648      9:2        10:1        11:172      12:1396   
  13:361      14:2511     15:335      16:270      17:362      18:906    
  20:457      21:4        22:188      23:7267     24:2774     25:2      
  27:2735     29:19       31:3114     32:56       34:73       35:181    
  36:2424     37:4643     38:10354    39:884      40:151      41:4730   
  42:1996     43:2553     44:343      45:19894    46:5027     47:294    
  49:2022     50:1878     51:586      52:1606     54:315      55:1029   
  56:8        57:243      58:2291     59:1254     60:1157     61:2982   
  62:2987     63:1857     64:5473     65:2239     66:4745     67:3090   
  68:1304     69:4018     70:1131     71:612      72:2939     74:2816   
  75:1643     76:632      77:2713     78:4225     79:1722     80:2251   
  81:2209     82:1859     83:1452     84:1826     85:4141     86:988    
  87:2437     88:3415     89:4446     90:762      91:8428     92:2757   
  93:2854     94:3919     95:5420     96:1259     97:317      98:1067   
  99:736     100:73      101:1391    102:4317    103:32569   104:4505   
 105:2163    106:1070    107:2618    108:1198    109:4121    110:2264   
 111:3347    112:2064    113:1819    114:1955    115:2252    116:2056   
 117:2685    118:2892    119:2026    120:1893    121:1414    122:2875   
 123:2198    124:1691    125:2877    126:62      128:1676    129:1023   
 130:1308    131:2025    132:922     133:450     134:1521    135:369    
 136:1346    137:1158    138:3257    139:1564    140:1524    141:1460   
 142:1857    143:1696    144:1031    145:441     146:2149    147:2043   
 148:2592    149:2910    150:1193    151:1573    152:2137    153:570    
 154:8435    155:1590    156:3541    157:1898    158:1260    159:2439   
 160:3562    161:1813    162:3646    163:1798    164:1738    165:2202   
 166:1349    167:1896    168:4428    169:824     170:5509    171:1005   
 172:4058    173:3220    174:917     175:1288    176:3690    177:6299   
 178:3907    179:2732    180:2617    181:4160    182:3355    183:2070   
 184:2269    185:21612   186:5687    187:4916    188:4366    189:4443   
 190:9965    191:2105    192:11285   193:9364    194:7778    195:5562   
 196:3487    197:3832    198:6157    199:8330    200:8722    201:6553   
 202:10935   203:10734   204:4671    205:3746    206:4725    207:3640   
 208:4234    209:5202    210:4844    211:2611    212:4611    213:3890   
 214:1053    215:48      216:6712    217:3149    218:1387    219:551    
 220:2109    221:1053    222:851     223:2300   

End of report


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