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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Mar 17 22:41:12 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sun 17 Mar, 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:                              992161
    Prefixes after maximum aggregation (per Origin AS):          364025
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      458417
Total ASes present in the Internet Routing Table:                 75715
    Prefixes per ASN:                                             13.10
Origin-only ASes present in the Internet Routing Table:           64950
Origin ASes announcing only one prefix:                           26102
Transit ASes present in the Internet Routing Table:               10765
Transit-only ASes present in the Internet Routing Table:            506
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:                                      62
    Max AS path prepend of ASN (2458272)                              56
Prefixes from unregistered ASNs in the Routing Table:              1196
    Number of instances of unregistered ASNs:                      1308
Number of 32-bit ASNs allocated by the RIRs:                      43852
Number of 32-bit ASNs visible in the Routing Table:               36132
Prefixes from 32-bit ASNs in the Routing Table:                  190275
Number of bogon 32-bit ASNs visible in the Routing Table:           397
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            627
Number of addresses announced to Internet:                   3029609653
    Equivalent to 180 /8s, 148 /16s and 44 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    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:      339021

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

Prefixes being announced by APNIC Region ASes:                   259545
    Total APNIC prefixes after maximum aggregation:               73667
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          252075
    Unique aggregates announced from the APNIC address blocks:   100053
APNIC Region origin ASes present in the Internet Routing Table:   14120
    APNIC Prefixes per ASN:                                       17.85
APNIC Region origin ASes announcing only one prefix:               4222
APNIC Region transit ASes present in the Internet Routing Table:   1892
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9462
Number of APNIC addresses announced to Internet:              761195168
    Equivalent to 45 /8s, 94 /16s and 234 /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:                    284529
    Total ARIN prefixes after maximum aggregation:               125597
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           289122
    Unique aggregates announced from the ARIN address blocks:    132664
ARIN Region origin ASes present in the Internet Routing Table:    19136
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                6942
ARIN Region transit ASes present in the Internet Routing Table:    1947
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4866
Number of ARIN addresses announced to Internet:              1270091330
    Equivalent to 75 /8s, 180 /16s and 14 /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, 393216-401308
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:                    282673
    Total RIPE prefixes after maximum aggregation:               128845
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276343
    Unique aggregates announced from the RIPE address blocks:    162625
RIPE Region origin ASes present in the Internet Routing Table:    28671
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12101
RIPE Region transit ASes present in the Internet Routing Table:    3969
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11710
Number of RIPE addresses announced to Internet:               714661235
    Equivalent to 42 /8s, 152 /16s and 221 /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:                  130292
    Total LACNIC prefixes after maximum aggregation:              28942
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128944
    Unique aggregates announced from the LACNIC address blocks:   49549
LACNIC Region origin ASes present in the Internet Routing Table:  11075
    LACNIC Prefixes per ASN:                                      11.64
LACNIC Region origin ASes announcing only one prefix:              2241
LACNIC Region transit ASes present in the Internet Routing Table:  2427
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8929
Number of LACNIC addresses announced to Internet:             177279840
    Equivalent to 10 /8s, 145 /16s and 19 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  33926
    Total AfriNIC prefixes after maximum aggregation:              6224
    AfriNIC Deaggregation factor:                                  5.45
Prefixes being announced from the AfriNIC address blocks:         45049
    Unique aggregates announced from the AfriNIC address blocks:  13039
AfriNIC Region origin ASes present in the Internet Routing Table:  1790
    AfriNIC Prefixes per ASN:                                     25.17
AfriNIC Region origin ASes announcing only one prefix:              596
AfriNIC Region transit ASes present in the Internet Routing Table:  348
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1165
Number of AfriNIC addresses announced to Internet:            106071296
    Equivalent to 6 /8s, 82 /16s and 133 /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        9833       8740      57  CHINAMOBILE-CN China Mobile Communicati
  7545        5655        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4579        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3852       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3609       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3516        495     252  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3297       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2760        864     359  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2505      11259     578  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        9714      11330    3414  AMAZON-02, US
   174        5181       6646     677  COGENT-174, US
 22773        5011       3079     300  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        4587        304     634  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3599       1320      75  SHAW, CA
 16625        3247       1405    2310  AKAMAI-AS, US
   749        3193      54919    2445  DNIC-AS-00749, US
   367        2919       3631    1403  DNIC-ASBLK-00306-00371, US
396982        2758       3640     406  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        9036       1220    2315  TTNET, TR
 12479        7671       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3938       3396     150  AKAMAI-ASN1, NL
  9009        3260        283    1580  M247, RO
 12389        2956       2302     896  ROSTELECOM-AS, RU
  8551        2678        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2514        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2462       1852      14  TE-AS TE-AS, EG
 34984        2393        366     582  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       12363       3321     497  UNINET, MX
 10620        3525        496     891  Telmex Colombia S.A., CO
 13999        2501        337     652  Mega Cable, S.A. de C.V., MX
 11830        1997        369      64  Instituto Costarricense de Electricidad
 28573        1343       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1311        787     198  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1204        348     492  Axtel, S.A.B. de C.V., MX
 11664        1144        179     421  Techtel LMDS Comunicaciones Interactiva
 26615        1130       2505      73  TIM SA, BR
 28202        1105         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        1628        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1504        389      20  LINKdotNET-AS, EG
 36992        1369       1519     282  ETISALAT-MISR, EG
 36903        1246        552     110  MT-MPLS, MA
 29571        1057         72     133  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         553       1861      34  IAM-AS, MA
 36914         529         82       3  KENET-AS, KE
 15399         518         55      49  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       12363       3321     497  UNINET, MX
  9808        9833       8740      57  CHINAMOBILE-CN China Mobile Communicati
 16509        9714      11330    3414  AMAZON-02, US
 47331        9036       1220    2315  TTNET, TR
 12479        7671       1714     147  UNI2-AS, ES
  7545        5655        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5181       6646     677  COGENT-174, US
  4538        5037       4192      75  ERX-CERNET-BKB China Education and Rese
 22773        5011       3079     300  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758        286      60  ALJAWWALSTC-AS, SA

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        9833         9776  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7671         7524  UNI2-AS, ES
 47331        9036         6721  TTNET, TR
 16509        9714         6300  AMAZON-02, US
  7545        5655         4982  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037         4962  ERX-CERNET-BKB China Education and Research Net
 22773        5011         4711  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4579         4554  FPT-AS-AP FPT Telecom Company, VN
   174        5181         4504  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
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     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
     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             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
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
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
23.172.216.0/24      Origin:    398741  AS-VERTEXLINK-01, US
23.172.216.0/24     Transit:     60539  HUICAST_TELECOM, HK
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, 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      /11:95      /12:299     
/13:580     /14:1205    /15:2139    /16:13423   /17:8467    /18:14212   
/19:25323   /20:45558   /21:53758   /22:114499  /23:107079  /24:600515  
/25:1118    /26:1061    /27:1515    /28:160     /29:261     /30:105     
/31:110     /32:611     

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

   ASN  No of nets  Total ann.  Description
 47331        8146        9036  TTNET, TR
 12479        6784        7671  UNI2-AS, ES
  8151        6372       12363  UNINET, MX
 22773        4047        5011  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3500        4587  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3396        3599  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
  8551        2154        2678  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2152        2496  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2305      2:1658      3:313       4:22        5:4708      6:162    
   7:6         8:1636      9:2        11:190      12:1470     13:381    
  14:2456     15:315      16:210      17:374      18:749      20:378    
  21:4        22:188      23:6684     24:3171     25:2        27:2711   
  29:19       31:2808     32:62       34:63       35:125      36:2221   
  37:4637     38:8559     39:901      40:125      41:4552     42:2212   
  43:2395     44:318      45:17794    46:4485     47:302      49:1941   
  50:1930     51:576      52:1619     54:310      55:950      56:5      
  57:163      58:2114     59:1206     60:1025     61:2764     62:2844   
  63:1946     64:5739     65:2363     66:4862     67:3135     68:1591   
  69:4123     70:1513     71:581      72:3034     74:2623     75:1587   
  76:636      77:2539     78:4155     79:2527     80:2189     81:2177   
  82:1583     83:1363     84:1661     85:4038     86:929      87:2295   
  88:3024     89:4178     90:683      91:8172     92:2277     93:2661   
  94:3815     95:5369     96:1312     97:314      98:1106     99:741    
 100:111     101:1189    102:3573    103:32979   104:4793    105:2013   
 106:987     107:2782    108:1142    109:4132    110:2177    111:3239   
 112:2094    113:1794    114:1791    115:2176    116:1914    117:2623   
 118:2868    119:2034    120:1815    121:1365    122:2828    123:2268   
 124:1683    125:2876    126:28      128:1546    129:1029    130:1138   
 131:1925    132:931     133:410     134:1724    135:354     136:955    
 137:1070    138:3021    139:1586    140:1380    141:1374    142:1597   
 143:1588    144:1024    145:346     146:2054    147:1733    148:2528   
 149:2642    150:1048    151:1354    152:1989    153:594     154:6271   
 155:1391    156:2276    157:1659    158:1109    159:2275    160:2615   
 161:1668    162:3631    163:1740    164:1690    165:2183    166:1079   
 167:1780    168:4119    169:814     170:4970    171:1031    172:3849   
 173:3079    174:942     175:1257    176:3826    177:5384    178:3735   
 179:2512    180:2467    181:3782    182:3387    183:2044    184:2280   
 185:20997   186:5281    187:4842    188:4240    189:4369    190:9527   
 191:1908    192:11036   193:9106    194:7625    195:5446    196:3655   
 197:2950    198:6083    199:7548    200:8428    201:6409    202:10844  
 203:10595   204:4635    205:3776    206:4562    207:3600    208:4204   
 209:5109    210:4792    211:2609    212:4415    213:3553    214:1102   
 215:43      216:6878    217:3058    218:1386    219:607     220:2125   
 221:1035    222:877     223:2240   

End of report


More information about the ren-bgp-stats-all mailing list