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

REN Routing Table Report cscora at bgp.nsrc.org
Wed May 22 22:41:06 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Wed 22 May, 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:                              1009225
    Prefixes after maximum aggregation (per Origin AS):          367480
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      462610
Total ASes present in the Internet Routing Table:                 76126
    Prefixes per ASN:                                             13.26
Origin-only ASes present in the Internet Routing Table:           65129
Origin ASes announcing only one prefix:                           26075
Transit ASes present in the Internet Routing Table:               10997
Transit-only ASes present in the Internet Routing Table:            535
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.9
    Max AS path length visible:                                      63
    Max AS path prepend of ASN ( 53153)                              57
Prefixes from unregistered ASNs in the Routing Table:              1458
    Number of instances of unregistered ASNs:                      1461
Number of 32-bit ASNs allocated by the RIRs:                      44505
Number of 32-bit ASNs visible in the Routing Table:               36579
Prefixes from 32-bit ASNs in the Routing Table:                  197420
Number of bogon 32-bit ASNs visible in the Routing Table:           171
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            976
Number of addresses announced to Internet:                   3030610548
    Equivalent to 180 /8s, 163 /16s and 114 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    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:      345224

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

Prefixes being announced by APNIC Region ASes:                   263914
    Total APNIC prefixes after maximum aggregation:               74862
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          255780
    Unique aggregates announced from the APNIC address blocks:   101198
APNIC Region origin ASes present in the Internet Routing Table:   14239
    APNIC Prefixes per ASN:                                       17.96
APNIC Region origin ASes announcing only one prefix:               4271
APNIC Region transit ASes present in the Internet Routing Table:   1926
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9587
Number of APNIC addresses announced to Internet:              762390944
    Equivalent to 45 /8s, 113 /16s and 41 /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:                    287014
    Total ARIN prefixes after maximum aggregation:               126763
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           291700
    Unique aggregates announced from the ARIN address blocks:    133737
ARIN Region origin ASes present in the Internet Routing Table:    19220
    ARIN Prefixes per ASN:                                        15.18
ARIN Region origin ASes announcing only one prefix:                6952
ARIN Region transit ASes present in the Internet Routing Table:    2015
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4925
Number of ARIN addresses announced to Internet:              1268271426
    Equivalent to 75 /8s, 152 /16s and 73 /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,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  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:                    286127
    Total RIPE prefixes after maximum aggregation:               129681
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           279803
    Unique aggregates announced from the RIPE address blocks:    164426
RIPE Region origin ASes present in the Internet Routing Table:    28752
    RIPE Prefixes per ASN:                                         9.73
RIPE Region origin ASes announcing only one prefix:               12100
RIPE Region transit ASes present in the Internet Routing Table:    4022
Average RIPE Region AS path length visible:                         5.0
    Max RIPE Region AS path length visible:                          47
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11859
Number of RIPE addresses announced to Internet:               714899826
    Equivalent to 42 /8s, 156 /16s and 129 /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,
                        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:                  135954
    Total LACNIC prefixes after maximum aggregation:              29148
    LACNIC Deaggregation factor:                                   4.66
Prefixes being announced from the LACNIC address blocks:         134357
    Unique aggregates announced from the LACNIC address blocks:   49581
LACNIC Region origin ASes present in the Internet Routing Table:  11090
    LACNIC Prefixes per ASN:                                      12.12
LACNIC Region origin ASes announcing only one prefix:              2137
LACNIC Region transit ASes present in the Internet Routing Table:  2474
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        63
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8989
Number of LACNIC addresses announced to Internet:             177169952
    Equivalent to 10 /8s, 143 /16s and 102 /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:                  34758
    Total AfriNIC prefixes after maximum aggregation:              6272
    AfriNIC Deaggregation factor:                                  5.54
Prefixes being announced from the AfriNIC address blocks:         46608
    Unique aggregates announced from the AfriNIC address blocks:  13120
AfriNIC Region origin ASes present in the Internet Routing Table:  1855
    AfriNIC Prefixes per ASN:                                     25.13
AfriNIC Region origin ASes announcing only one prefix:              615
AfriNIC Region transit ASes present in the Internet Routing Table:  359
Average AfriNIC Region AS path length visible:                      5.3
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1219
Number of AfriNIC addresses announced to Internet:            107339520
    Equivalent to 6 /8s, 101 /16s and 223 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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        9850       8745      70  CHINAMOBILE-CN China Mobile Communicati
  7545        5637        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5034       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4541       1893      45  VNPT-AS-VN VNPT Corp, VN
 18403        4440        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3924       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3743        508     265  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3644       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2794        863     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2485      11522     581  KIXS-AS-KR Korea Telecom, KR

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        9931      11375    3540  AMAZON-02, US
   174        5233       8782     873  COGENT-174, US
 11492        4621        306     601  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3595       1320      79  SHAW, CA
 22773        3549       3060     238  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3224      54904    2476  DNIC-AS-00749, US
 16625        3157       1351    2252  AKAMAI-AS, US
  7018        2834      23660    1786  ATT-INTERNET4, US
   367        2800       3435    1312  DNIC-ASBLK-00306-00371, 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        9146       1227    2116  TTNET, TR
 12479        7753       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3905       3396     152  AKAMAI-ASN1, NL
  9009        3497        299    1732  M247, RO
 12389        2990       2305     902  ROSTELECOM-AS, RU
  8551        2655        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2571       1852      14  TE-AS TE-AS, EG
  5384        2487        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2388        365     575  TELLCOM-AS, TR

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       12238       3322     495  UNINET, MX
 10620        3511        492     939  Telmex Colombia S.A., CO
 13999        2543        353     667  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1558       2314     249  Claro NXT Telecomunicacoes Ltda, BR
  3816        1322        789     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
 11664        1188        177     440  Techtel LMDS Comunicaciones Interactiva
  6503        1125        314     478  Axtel, S.A.B. de C.V., MX
 28202        1120         52       9  Rede Brasileira de Comunicacao SA, BR

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
 37457        1634        314      37  Telkom-Internet, ZA
 24835        1541        545      28  RAYA-AS, EG
 24863        1504        389      20  LINKdotNET-AS, EG
 36992        1369       1520     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1205         77      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         556       1861      35  IAM-AS, MA
 36914         556         82       3  KENET-AS, KE
 15399         528         55      54  WANANCHI-, KE

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
  8151       12238       3322     495  UNINET, MX
 16509        9931      11375    3540  AMAZON-02, US
  9808        9850       8745      70  CHINAMOBILE-CN China Mobile Communicati
 47331        9146       1227    2116  TTNET, TR
 12479        7753       1708     145  UNI2-AS, ES
  7545        5637        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5233       8782     873  COGENT-174, US
  4538        5034       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4621        306     601  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
  9808        9850         9780  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7753         7608  UNI2-AS, ES
 47331        9146         7030  TTNET, TR
 16509        9931         6391  AMAZON-02, US
  7545        5637         4963  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5034         4960  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 45899        4541         4496  VNPT-AS-VN VNPT Corp, VN
 18403        4440         4417  FPT-AS-AP FPT Telecom Company, VN
   174        5233         4360  COGENT-174, 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
     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-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, 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
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

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
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.147.240.0/24      Origin:    398208  RESERVED, ZZ
23.147.240.0/24     Transit:     19930  EQUINIX-EC-CH, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, 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       /9:14      /10:37      /11:93      /12:298     
/13:582     /14:1197    /15:2129    /16:13430   /17:8534    /18:14725   
/19:25817   /20:45815   /21:54549   /22:115667  /23:108542  /24:611565  
/25:1121    /26:1100    /27:1606    /28:313     /29:520     /30:517     
/31:352     /32:685     

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

   ASN  No of nets  Total ann.  Description
 47331        8252        9146  TTNET, TR
 12479        6847        7753  UNI2-AS, ES
  8151        6255       12238  UNINET, MX
 11492        3530        4621  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3391        3595  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2639        3549  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2167        2513  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2137        3511  Telmex Colombia S.A., CO

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

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

   1:2327      2:1723      3:347       4:22        5:4755      6:164    
   7:6         8:1620      9:1        11:172      12:1468     13:356    
  14:2489     15:319      16:211      17:374      18:769      20:396    
  21:4        22:188      23:6813     24:3127     25:2        27:2636   
  29:19       31:2744     32:61       34:65       35:137      36:2335   
  37:4630     38:8779     39:903      40:125      41:4693     42:2171   
  43:2439     44:322      45:18503    46:4604     47:312      49:1971   
  50:1920     51:584      52:1618     54:313      55:1000     56:5      
  57:185      58:2139     59:1268     60:1029     61:2803     62:2836   
  63:1925     64:5735     65:2394     66:4847     67:3078     68:1352   
  69:4151     70:1389     71:595      72:2955     74:2628     75:1596   
  76:622      77:2637     78:4186     79:2558     80:2234     81:2266   
  82:1693     83:1415     84:1676     85:4068     86:1008     87:2323   
  88:3110     89:4261     90:682      91:8293     92:2398     93:2741   
  94:3927     95:5454     96:1292     97:315      98:1053     99:741    
 100:91      101:1203    102:3856    103:33072   104:4832    105:2090   
 106:1024    107:2788    108:1157    109:4250    110:2191    111:3289   
 112:2113    113:1837    114:1809    115:2170    116:1921    117:2667   
 118:2874    119:2083    120:1807    121:1373    122:2840    123:2270   
 124:1711    125:2909    126:32      128:1545    129:1037    130:1197   
 131:2019    132:932     133:412     134:1746    135:366     136:1066   
 137:1086    138:3138    139:1560    140:1402    141:1359    142:1606   
 143:1715    144:1021    145:367     146:2096    147:1957    148:2544   
 149:2816    150:1051    151:1349    152:2179    153:594     154:6966   
 155:1474    156:2317    157:1816    158:1161    159:2347    160:2771   
 161:1722    162:3582    163:1771    164:1711    165:2191    166:1183   
 167:1819    168:4250    169:834     170:5358    171:1065    172:3886   
 173:3065    174:897     175:1265    176:3856    177:6331    178:3871   
 179:2693    180:2454    181:3825    182:3414    183:2020    184:2288   
 185:21177   186:5582    187:5165    188:4363    189:4564    190:9807   
 191:2097    192:11081   193:9197    194:7696    195:5512    196:3721   
 197:2890    198:6104    199:7902    200:8584    201:6542    202:10845  
 203:10675   204:4663    205:3705    206:4543    207:3657    208:4219   
 209:5132    210:4801    211:2673    212:4436    213:3614    214:1078   
 215:49      216:6953    217:3197    218:1369    219:614     220:2052   
 221:1045    222:987     223:2252   

End of report


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