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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Dec 22 22:41:13 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sun 22 Dec, 2024

  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:                             1025991
    Prefixes after maximum aggregation (per Origin AS):          373764
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      467749
Total ASes present in the Internet Routing Table:                 76703
    Prefixes per ASN:                                             13.38
Origin-only ASes present in the Internet Routing Table:           65655
Origin ASes announcing only one prefix:                           26243
Transit ASes present in the Internet Routing Table:               11048
Transit-only ASes present in the Internet Routing Table:            539
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      65
    Max AS path prepend of ASN ( 37447)                              63
Prefixes from unregistered ASNs in the Routing Table:              1124
    Number of instances of unregistered ASNs:                      1132
Number of 32-bit ASNs allocated by the RIRs:                      46013
Number of 32-bit ASNs visible in the Routing Table:               37686
Prefixes from 32-bit ASNs in the Routing Table:                  207288
Number of bogon 32-bit ASNs visible in the Routing Table:            76
Special use prefixes present in the Routing Table:                   14
Prefixes being announced from unallocated address space:            523
Number of addresses announced to Internet:                   3123309177
    Equivalent to 186 /8s, 41 /16s and 234 /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:      345429

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

Prefixes being announced by APNIC Region ASes:                   265067
    Total APNIC prefixes after maximum aggregation:               76340
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          257357
    Unique aggregates announced from the APNIC address blocks:   102144
APNIC Region origin ASes present in the Internet Routing Table:   14526
    APNIC Prefixes per ASN:                                       17.72
APNIC Region origin ASes announcing only one prefix:               4433
APNIC Region transit ASes present in the Internet Routing Table:   1939
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         55
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9963
Number of APNIC addresses announced to Internet:              761881152
    Equivalent to 45 /8s, 105 /16s and 98 /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:                    295906
    Total ARIN prefixes after maximum aggregation:               127801
    ARIN Deaggregation factor:                                     2.32
Prefixes being announced from the ARIN address blocks:           297730
    Unique aggregates announced from the ARIN address blocks:    131394
ARIN Region origin ASes present in the Internet Routing Table:    19236
    ARIN Prefixes per ASN:                                        15.48
ARIN Region origin ASes announcing only one prefix:                6953
ARIN Region transit ASes present in the Internet Routing Table:    2009
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          39
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5109
Number of ARIN addresses announced to Internet:              1346177222
    Equivalent to 80 /8s, 61 /16s and 8 /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:                    287526
    Total RIPE prefixes after maximum aggregation:               132648
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           283932
    Unique aggregates announced from the RIPE address blocks:    170331
RIPE Region origin ASes present in the Internet Routing Table:    28890
    RIPE Prefixes per ASN:                                         9.83
RIPE Region origin ASes announcing only one prefix:               12074
RIPE Region transit ASes present in the Internet Routing Table:    3956
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12209
Number of RIPE addresses announced to Internet:               732992803
    Equivalent to 43 /8s, 176 /16s and 149 /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:                  138365
    Total LACNIC prefixes after maximum aggregation:              29596
    LACNIC Deaggregation factor:                                   4.68
Prefixes being announced from the LACNIC address blocks:         135937
    Unique aggregates announced from the LACNIC address blocks:   48925
LACNIC Region origin ASes present in the Internet Routing Table:  11199
    LACNIC Prefixes per ASN:                                      12.14
LACNIC Region origin ASes announcing only one prefix:              2140
LACNIC Region transit ASes present in the Internet Routing Table:  2554
Average LACNIC Region AS path length visible:                       4.4
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9128
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:                  38003
    Total AfriNIC prefixes after maximum aggregation:              6687
    AfriNIC Deaggregation factor:                                  5.68
Prefixes being announced from the AfriNIC address blocks:         50510
    Unique aggregates announced from the AfriNIC address blocks:  14529
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     26.32
AfriNIC Region origin ASes announcing only one prefix:              643
AfriNIC Region transit ASes present in the Internet Routing Table:  375
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       65
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277
Number of AfriNIC addresses announced to Internet:            104389376
    Equivalent to 6 /8s, 56 /16s and 219 /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       10164       8923     126  CHINAMOBILE-CN China Mobile Communication
  7545        6189        842     659  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4861       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4480        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4047        523     282  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3913       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3895       1890      49  VNPT-AS-VN VNPT Corp, VN
  7713        3677       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2813        841     537  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       12504      38249    3009  AMAZON-02, US
   174        6159       8765     888  COGENT-174, US
 11492        4692        312     552  CABLEONE, US
  7155        4169        287      85  VIASAT-SP-BACKBONE, US
  6327        3611       1320      79  SHAW, CA
 22773        3419       3050     187  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3261      54895    2508  DNIC-AS-00749, US
  7018        3257      23510    2066  ATT-INTERNET4, US
  2152        3179        508     133  CENIC-2152, US
 16625        2990       1302    2180  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        9477       1270    1590  TTNET, TR
 12479        7705       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4019       3396     141  AKAMAI-ASN1, NL
  9009        3697        318    1869  M247, RO
 12389        2967       2294     882  ROSTELECOM-AS, RU
 34984        2399        363     569  TELLCOM-AS, TR
  8452        1958       1852      14  TE-AS TE-AS, EG
212238        1836        133    1351  CDNEXT, GB
  5384        1776        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       11792       3246     709  UNINET, MX
 10620        3544        494     943  Telmex Colombia S.A., CO
 13999        2541        541     372  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        1170        374     163  Axtel, S.A.B. de C.V., MX
 28202        1125         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1116        371      22  Telefonica del Peru S.A.A., PE
 22884        1072         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
 24863        1651        389      16  LINKdotNET-AS, EG
 24835        1649        593      29  RAYA-AS, EG
 37457        1634        316      32  Telkom-Internet, ZA
 29571        1464         93      59  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 20011        1221        193     304  INTERNET-SOLUTIONS, ZA
 36935         999        520      40  Vodafone-, EG
 37069         833       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       12504      38249    3009  AMAZON-02, US
  8151       11792       3246     709  UNINET, MX
  9808       10164       8923     126  CHINAMOBILE-CN China Mobile Communication
 47331        9477       1270    1590  TTNET, TR
 12479        7705       1709     143  UNI2-AS, ES
  7545        6189        842     659  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6159       8765     888  COGENT-174, US
  4538        4861       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       11792        11083  UNINET, MX
  9808       10164        10038  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9477         7887  TTNET, TR
 12479        7705         7562  UNI2-AS, ES
  7545        6189         5530  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        6159         5271  COGENT-174, US
  4538        4861         4784  ERX-CERNET-BKB China Education and Research Net
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4480         4457  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            46887  CROWNCASTLE-AS46887, 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
100.126.255.172/30        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
100.127.255.192/28        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:      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

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     /14:1244    /15:2218    /16:14156   /17:8547    /18:14724   
/19:25644   /20:46278   /21:55097   /22:116180  /23:109949  /24:624668  
/25:651     /26:655     /27:1190    /28:224     /29:379     /30:252     
/31:1263    /32:1598    

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

   ASN  No of nets  Total ann.  Description
 47331        8563        9477  TTNET, TR
 12479        6677        7705  UNI2-AS, ES
  8151        5943       11792  UNINET, MX
 11492        3555        4692  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3408        3611  SHAW, CA
  7155        3117        4169  VIASAT-SP-BACKBONE, US
 22773        2550        3419  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2265       12504  AMAZON-02, US
 30036        2222        2561  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2327      2:1679      3:531       4:25        5:4802      6:163    
   7:6         8:1643      9:2        10:1        11:172      12:1401   
  13:350      14:2507     15:332      16:269      17:362      18:900    
  20:456      21:4        22:188      23:7283     24:2773     25:2      
  27:2735     29:19       31:3125     32:56       34:73       35:181    
  36:2419     37:4630     38:10358    39:882      40:150      41:4727   
  42:2092     43:2551     44:340      45:19589    46:5043     47:300    
  49:2017     50:1893     51:586      52:1599     54:315      55:1033   
  56:8        57:243      58:2301     59:1252     60:1155     61:2975   
  62:2978     63:1857     64:5470     65:2244     66:4744     67:3088   
  68:1303     69:4024     70:1130     71:608      72:2941     74:2816   
  75:1639     76:635      77:2714     78:4229     79:1721     80:2248   
  81:2208     82:1841     83:1442     84:1819     85:4125     86:982    
  87:2445     88:3262     89:4455     90:761      91:8391     92:2755   
  93:2858     94:3921     95:5428     96:1248     97:317      98:1069   
  99:732     100:71      101:1435    102:4047    103:32525   104:4501   
 105:2161    106:1069    107:2623    108:1196    109:4096    110:2278   
 111:3339    112:2065    113:1842    114:1953    115:2258    116:2060   
 117:2686    118:2897    119:2025    120:1892    121:1415    122:2863   
 123:2196    124:1694    125:2874    126:62      128:1676    129:1021   
 130:1303    131:2035    132:921     133:450     134:1515    135:369    
 136:1349    137:1164    138:3264    139:1558    140:1521    141:1455   
 142:1869    143:1715    144:1030    145:414     146:2149    147:2041   
 148:2588    149:2902    150:1198    151:1486    152:2133    153:570    
 154:8018    155:1583    156:2958    157:1897    158:1256    159:2439   
 160:3541    161:1793    162:3639    163:1805    164:1742    165:2197   
 166:1352    167:1899    168:4417    169:824     170:5540    171:1002   
 172:4055    173:3219    174:916     175:1293    176:3669    177:6286   
 178:3904    179:2747    180:2630    181:4131    182:3362    183:2089   
 184:2266    185:21578   186:5686    187:4897    188:4347    189:4520   
 190:9961    191:2108    192:11270   193:9362    194:7790    195:5565   
 196:3425    197:3805    198:6150    199:8324    200:8724    201:6563   
 202:10892   203:10811   204:4674    205:3718    206:4718    207:3637   
 208:4246    209:5197    210:4845    211:2621    212:4600    213:3885   
 214:1048    215:48      216:6683    217:3148    218:1387    219:554    
 220:2111    221:1053    222:850     223:2306   

End of report


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