[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 13 22:46:50 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Mon 13 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:                             1027965
    Prefixes after maximum aggregation (per Origin AS):          374490
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      469834
Total ASes present in the Internet Routing Table:                 76638
    Prefixes per ASN:                                             13.41
Origin-only ASes present in the Internet Routing Table:           65941
Origin ASes announcing only one prefix:                           26225
Transit ASes present in the Internet Routing Table:               10697
Transit-only ASes present in the Internet Routing Table:            518
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:              1134
    Number of instances of unregistered ASNs:                      1141
Number of 32-bit ASNs allocated by the RIRs:                      46033
Number of 32-bit ASNs visible in the Routing Table:               37677
Prefixes from 32-bit ASNs in the Routing Table:                  208180
Number of bogon 32-bit ASNs visible in the Routing Table:            74
Special use prefixes present in the Routing Table:                   15
Prefixes being announced from unallocated address space:            539
Number of addresses announced to Internet:                   3125805674
    Equivalent to 186 /8s, 80 /16s and 2 /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:      345648

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

Prefixes being announced by APNIC Region ASes:                   265968
    Total APNIC prefixes after maximum aggregation:               76796
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257611
    Unique aggregates announced from the APNIC address blocks:   102257
APNIC Region origin ASes present in the Internet Routing Table:   14517
    APNIC Prefixes per ASN:                                       17.75
APNIC Region origin ASes announcing only one prefix:               4421
APNIC Region transit ASes present in the Internet Routing Table:   1921
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         46
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9964
Number of APNIC addresses announced to Internet:              762401088
    Equivalent to 45 /8s, 113 /16s and 81 /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:                    296165
    Total ARIN prefixes after maximum aggregation:               128196
    ARIN Deaggregation factor:                                     2.31
Prefixes being announced from the ARIN address blocks:           297682
    Unique aggregates announced from the ARIN address blocks:    132498
ARIN Region origin ASes present in the Internet Routing Table:    19223
    ARIN Prefixes per ASN:                                        15.49
ARIN Region origin ASes announcing only one prefix:                6973
ARIN Region transit ASes present in the Internet Routing Table:    1924
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:    5107
Number of ARIN addresses announced to Internet:              1347658182
    Equivalent to 80 /8s, 83 /16s and 161 /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:                    288096
    Total RIPE prefixes after maximum aggregation:               132788
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           284864
    Unique aggregates announced from the RIPE address blocks:    170609
RIPE Region origin ASes present in the Internet Routing Table:    28869
    RIPE Prefixes per ASN:                                         9.87
RIPE Region origin ASes announcing only one prefix:               12042
RIPE Region transit ASes present in the Internet Routing Table:    3848
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:   12213
Number of RIPE addresses announced to Internet:               733135636
    Equivalent to 43 /8s, 178 /16s and 195 /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:                  138375
    Total LACNIC prefixes after maximum aggregation:              29249
    LACNIC Deaggregation factor:                                   4.73
Prefixes being announced from the LACNIC address blocks:         135884
    Unique aggregates announced from the LACNIC address blocks:   48991
LACNIC Region origin ASes present in the Internet Routing Table:  11193
    LACNIC Prefixes per ASN:                                      12.14
LACNIC Region origin ASes announcing only one prefix:              2149
LACNIC Region transit ASes present in the Internet Routing Table:  2481
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:             177609600
    Equivalent to 10 /8s, 150 /16s and 27 /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:                  38220
    Total AfriNIC prefixes after maximum aggregation:              6757
    AfriNIC Deaggregation factor:                                  5.66
Prefixes being announced from the AfriNIC address blocks:         51383
    Unique aggregates announced from the AfriNIC address blocks:  15038
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     26.79
AfriNIC Region origin ASes announcing only one prefix:              640
AfriNIC Region transit ASes present in the Internet Routing Table:  362
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:            104730368
    Equivalent to 6 /8s, 62 /16s and 15 /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       10296       8921     124  CHINAMOBILE-CN China Mobile Communication
  7545        6198        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4943       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4375        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4085        525     276  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3896       1890      50  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2822        846     546  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       12603      38898    3301  AMAZON-02, US
   174        6103       8763     881  COGENT-174, US
 11492        4692        312     555  CABLEONE, US
  7155        4175        287      85  VIASAT-SP-BACKBONE, US
  6327        3615       1320      79  SHAW, CA
 22773        3411       3049     186  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3261      54895    2508  DNIC-AS-00749, US
  2152        3162        508     130  CENIC-2152, US
 16625        3030       1311    2193  AKAMAI-AS, US
396982        2900       3657     444  GOOGLE-CLOUD-PLATFORM, 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        9649       1282    1365  TTNET, TR
 12479        7666       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4048       3396     141  AKAMAI-ASN1, NL
  9009        3754        322    1904  M247, RO
 12389        2980       2301     888  ROSTELECOM-AS, RU
 34984        2417        363     569  TELLCOM-AS, TR
  8452        1942       1852      14  TE-AS TE-AS, EG
212238        1896        135    1400  CDNEXT, GB
  5384        1772        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       11881       3246     709  UNINET, MX
 10620        3538        491     953  Telmex Colombia S.A., CO
 13999        2538        538     368  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad y
 28573        1577       2374     262  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        1125         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1115        371      22  Telefonica del Peru S.A.A., PE
 22884        1074         98     371  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        1671        593      29  RAYA-AS, EG
 24863        1648        389      18  LINKdotNET-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1583        100      96  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  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         557       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       12603      38898    3301  AMAZON-02, US
  8151       11881       3246     709  UNINET, MX
  9808       10296       8921     124  CHINAMOBILE-CN China Mobile Communication
 47331        9649       1282    1365  TTNET, TR
 12479        7666       1709     143  UNI2-AS, ES
  7545        6198        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6103       8763     881  COGENT-174, US
  4538        4943       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4692        312     555  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       11881        11172  UNINET, MX
  9808       10296        10172  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9649         8284  TTNET, TR
 12479        7666         7523  UNI2-AS, ES
  7545        6198         5533  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6103         5222  COGENT-174, US
  4538        4943         4866  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4375         4352  FPT-AS-AP FPT Telecom Company, VN
 11492        4692         4137  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
     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
     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

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
23.140.176.0/24      Origin:     40676  AS40676, US
23.140.176.0/24     Transit:     18106  VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG

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     
/13:594     /14:1242    /15:2217    /16:14173   /17:8565    /18:14740   
/19:25639   /20:46242   /21:55107   /22:116280  /23:110069  /24:626447  
/25:651     /26:652     /27:1187    /28:222     /29:378     /30:249     
/31:1251    /32:1580    

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

   ASN  No of nets  Total ann.  Description
 47331        8735        9649  TTNET, TR
 12479        6631        7666  UNI2-AS, ES
  8151        6030       11881  UNINET, MX
 11492        3554        4692  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3410        3615  SHAW, CA
  7155        3123        4175  VIASAT-SP-BACKBONE, US
 22773        2544        3411  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2250       12603  AMAZON-02, US
 30036        2233        2572  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2325      2:1666      3:547       4:25        5:4824      6:165    
   7:6         8:1645      9:1        10:1        11:172      12:1392   
  13:356      14:2526     15:334      16:270      17:361      18:905    
  20:459      21:4        22:188      23:7275     24:2766     25:2      
  27:2730     29:19       31:3135     32:56       34:73       35:184    
  36:2427     37:4652     38:10446    39:884      40:154      41:4710   
  42:2011     43:2565     44:346      45:19712    46:5016     47:295    
  49:2019     50:1883     51:587      52:1601     54:307      55:1026   
  56:8        57:245      58:2302     59:1254     60:1160     61:2982   
  62:3020     63:1856     64:5451     65:2233     66:4742     67:3084   
  68:1236     69:4031     70:1130     71:615      72:2938     74:2820   
  75:1642     76:638      77:2719     78:4223     79:1732     80:2257   
  81:2208     82:1903     83:1452     84:1821     85:4208     86:992    
  87:2439     88:3422     89:4457     90:758      91:8450     92:2776   
  93:2866     94:3923     95:5398     96:1269     97:320      98:1005   
  99:736     100:72      101:1390    102:4073    103:32595   104:4585   
 105:2163    106:1015    107:2619    108:1193    109:4118    110:2269   
 111:3368    112:2065    113:1815    114:1951    115:2256    116:2060   
 117:2745    118:2893    119:2023    120:1900    121:1435    122:2873   
 123:2196    124:1692    125:2899    126:62      128:1689    129:1022   
 130:1294    131:2032    132:924     133:450     134:1520    135:372    
 136:1324    137:1166    138:3248    139:1579    140:1519    141:1470   
 142:1856    143:1710    144:1040    145:472     146:2155    147:2045   
 148:2603    149:2925    150:1205    151:1615    152:2144    153:569    
 154:8191    155:1557    156:3412    157:1909    158:1262    159:2442   
 160:3587    161:1832    162:3669    163:1801    164:1746    165:2205   
 166:1343    167:1898    168:4403    169:821     170:5503    171:1005   
 172:4062    173:3197    174:918     175:1286    176:3702    177:6264   
 178:3915    179:2672    180:2620    181:4154    182:3356    183:2070   
 184:2276    185:21644   186:5730    187:4934    188:4364    189:4493   
 190:9922    191:2086    192:11285   193:9385    194:7784    195:5566   
 196:3485    197:3795    198:6185    199:8328    200:8777    201:6575   
 202:10852   203:10738   204:4627    205:3738    206:4716    207:3633   
 208:4237    209:5218    210:4897    211:2625    212:4614    213:3867   
 214:1051    215:48      216:6690    217:3153    218:1391    219:551    
 220:2110    221:1053    222:853     223:2322   

End of report


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