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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Dec 23 22:41:47 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sat 23 Dec, 2023

  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:                              987035
    Prefixes after maximum aggregation (per Origin AS):          363192
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      456095
Total ASes present in the Internet Routing Table:                 75377
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64931
Origin ASes announcing only one prefix:                           26001
Transit ASes present in the Internet Routing Table:               10446
Transit-only ASes present in the Internet Routing Table:            464
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:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1236
    Number of instances of unregistered ASNs:                      1241
Number of 32-bit ASNs allocated by the RIRs:                      43268
Number of 32-bit ASNs visible in the Routing Table:               35682
Prefixes from 32-bit ASNs in the Routing Table:                  187062
Number of bogon 32-bit ASNs visible in the Routing Table:           184
Special use prefixes present in the Routing Table:                   31
Prefixes being announced from unallocated address space:            589
Number of addresses announced to Internet:                   3049502238
    Equivalent to 181 /8s, 195 /16s and 182 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    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:      339450

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

Prefixes being announced by APNIC Region ASes:                   257744
    Total APNIC prefixes after maximum aggregation:               73067
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          250631
    Unique aggregates announced from the APNIC address blocks:    99745
APNIC Region origin ASes present in the Internet Routing Table:   13920
    APNIC Prefixes per ASN:                                       18.01
APNIC Region origin ASes announcing only one prefix:               4145
APNIC Region transit ASes present in the Internet Routing Table:   1870
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:   9247
Number of APNIC addresses announced to Internet:              771556000
    Equivalent to 45 /8s, 253 /16s and 2 /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:                    282492
    Total ARIN prefixes after maximum aggregation:               126196
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           286786
    Unique aggregates announced from the ARIN address blocks:    132758
ARIN Region origin ASes present in the Internet Routing Table:    19118
    ARIN Prefixes per ASN:                                        15.00
ARIN Region origin ASes announcing only one prefix:                6930
ARIN Region transit ASes present in the Internet Routing Table:    1851
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4842
Number of ARIN addresses announced to Internet:              1276334144
    Equivalent to 76 /8s, 19 /16s and 80 /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:                    281899
    Total RIPE prefixes after maximum aggregation:               128213
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           275711
    Unique aggregates announced from the RIPE address blocks:    160954
RIPE Region origin ASes present in the Internet Routing Table:    28582
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12078
RIPE Region transit ASes present in the Internet Routing Table:    3869
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          39
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11525
Number of RIPE addresses announced to Internet:               714772702
    Equivalent to 42 /8s, 154 /16s and 144 /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:                  129592
    Total LACNIC prefixes after maximum aggregation:              28840
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         128596
    Unique aggregates announced from the LACNIC address blocks:   49408
LACNIC Region origin ASes present in the Internet Routing Table:  11058
    LACNIC Prefixes per ASN:                                      11.63
LACNIC Region origin ASes announcing only one prefix:              2253
LACNIC Region transit ASes present in the Internet Routing Table:  2367
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8904
Number of LACNIC addresses announced to Internet:             178469216
    Equivalent to 10 /8s, 163 /16s and 57 /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:                  34072
    Total AfriNIC prefixes after maximum aggregation:              6092
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         44721
    Unique aggregates announced from the AfriNIC address blocks:  12736
AfriNIC Region origin ASes present in the Internet Routing Table:  1821
    AfriNIC Prefixes per ASN:                                     24.56
AfriNIC Region origin ASes announcing only one prefix:              595
AfriNIC Region transit ASes present in the Internet Routing Table:  342
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1164
Number of AfriNIC addresses announced to Internet:            107991296
    Equivalent to 6 /8s, 111 /16s and 209 /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        9797       8738      50  CHINAMOBILE-CN China Mobile Communicati
  7545        5676        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4535        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3841       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3603       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3408        495     254  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3358       1872      99  VNPT-AS-VN VNPT Corp, VN
  4766        2682      11259     589  KIXS-AS-KR Korea Telecom, KR
 24560        2658        856     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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        9469      11201    3353  AMAZON-02, US
 11492        4562        303     680  CABLEONE, US
  7155        4182        289      98  VIASAT-SP-BACKBONE, US
   174        4039       6658     654  COGENT-174, US
 22773        3612       3079     309  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3567       1320      69  SHAW, CA
 16625        3233       1432    2349  AKAMAI-AS, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2973       3855    1418  DNIC-ASBLK-00306-00371, US
396982        2740       3639     385  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        8797       1197    2754  TTNET, TR
 12479        7585       1714     146  UNI2-AS, ES
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 20940        4068       3398     168  AKAMAI-ASN1, NL
  9009        3508        301    1640  M247, RO
  8551        3369        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3053       2301     918  ROSTELECOM-AS, RU
  5384        2505        585      30  EMIRATES-INTERNET Emirates Internet, AE
 34984        2375        363     586  TELLCOM-AS, TR
  8452        2372       1852      14  TE-AS TE-AS, EG

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       12176       3382     601  UNINET, MX
 10620        3519        497     886  Telmex Colombia S.A., CO
 13999        2493        339     636  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1346       2319     231  Claro NXT Telecomunicacoes Ltda, BR
  3816        1308        788     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1245        341     503  Axtel, S.A.B. de C.V., MX
 28202        1103         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1096        177     427  Techtel LMDS Comunicaciones Interactiva
  6147        1087        369      22  Telefonica del Peru S.A.A., PE

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        1625        316      43  Telkom-Internet, ZA
 24863        1588        389      16  LINKdotNET-AS, EG
 24835        1548        545      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1053         68      50  ORANGE-COTE-IVOIRE, CI
 36935         936        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         539         82       3  KENET-AS, KE
 15399         520         55      52  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       12176       3382     601  UNINET, MX
  9808        9797       8738      50  CHINAMOBILE-CN China Mobile Communicati
 16509        9469      11201    3353  AMAZON-02, US
 47331        8797       1197    2754  TTNET, TR
 12479        7585       1714     146  UNI2-AS, ES
  7545        5676        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 11492        4562        303     680  CABLEONE, US
 18403        4535        347      25  FPT-AS-AP FPT Telecom Company, VN

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        9797         9747  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7585         7439  UNI2-AS, ES
 16509        9469         6116  AMAZON-02, US
 47331        8797         6043  TTNET, TR
  7545        5676         4989  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021         4946  ERX-CERNET-BKB China Education and Research Net
 39891        4570         4516  ALJAWWALSTC-AS, SA
 18403        4535         4510  FPT-AS-AP FPT Telecom Company, VN
  7155        4182         4084  VIASAT-SP-BACKBONE, US
 20940        4068         3900  AKAMAI-ASN1, NL

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, 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             17054  EXPEDIENT, 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  LIGHTOWER, 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
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ
100.66.10.0/24            65534  -Private Use AS-, ZZ
100.70.8.0/24               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:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, US
23.168.136.0/24      Origin:     44876  EXODO-LLC, US
23.168.136.0/24     Transit:      6939  HURRICANE, US
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      /10:38      /11:99      /12:300     
/13:583     /14:1209    /15:2136    /16:13590   /17:8512    /18:14225   
/19:25691   /20:45666   /21:54402   /22:114449  /23:107432  /24:593751  
/25:1126    /26:1079    /27:1504    /28:163     /29:242     /30:80      
/31:82      /32:645     

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

   ASN  No of nets  Total ann.  Description
 47331        7907        8797  TTNET, TR
 12479        6673        7585  UNI2-AS, ES
  8151        6176       12176  UNINET, MX
 11492        3476        4562  CABLEONE, US
  6327        3371        3567  SHAW, CA
 39891        3324        4570  ALJAWWALSTC-AS, SA
  7155        3125        4182  VIASAT-SP-BACKBONE, US
  8551        2846        3369  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2651        3612  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2130        2473  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2317      2:1579      3:283       4:8         5:4603      6:163    
   7:6         8:1612      9:1        11:172      12:1494     13:375    
  14:2394     15:309      16:205      17:369      18:710      20:362    
  21:4        22:188      23:6615     24:3013     25:2        27:2652   
  29:19       31:2714     32:74       34:37       35:121      36:2125   
  37:4648     38:6901     39:889      40:148      41:4711     42:2201   
  43:2380     44:332      45:17554    46:4585     47:304      49:1916   
  50:1912     51:577      52:1628     54:377      55:885      56:5      
  57:138      58:2004     59:1192     60:1013     61:2758     62:2882   
  63:1944     64:5716     65:2387     66:5162     67:3122     68:1356   
  69:4107     70:1382     71:618      72:3021     74:2675     75:1598   
  76:630      77:2473     78:4102     79:3055     80:2174     81:2106   
  82:1599     83:1399     84:1641     85:3846     86:894      87:2255   
  88:2967     89:4115     90:662      91:8068     92:2262     93:2672   
  94:3814     95:5244     96:1334     97:317      98:1039     99:745    
 100:121     101:1166    102:3495    103:32928   104:4825    105:2029   
 106:988     107:2786    108:1155    109:4259    110:2173    111:3192   
 112:2112    113:1735    114:1763    115:2107    116:2005    117:2586   
 118:2787    119:2015    120:1813    121:1323    122:2784    123:2251   
 124:1659    125:2812    128:1585    129:1003    130:1109    131:2063   
 132:984     133:411     134:1715    135:332     136:920     137:1049   
 138:2921    139:1573    140:1348    141:1358    142:1583    143:1599   
 144:1006    145:339     146:2049    147:1662    148:2521    149:2465   
 150:1032    151:1331    152:1978    153:599     154:5742    155:1382   
 156:2154    157:1401    158:1092    159:2217    160:2704    161:1641   
 162:3635    163:1657    164:1695    165:1919    166:1086    167:1758   
 168:4017    169:818     170:4949    171:1001    172:3785    173:3062   
 174:901     175:1258    176:3757    177:5545    178:3685    179:2502   
 180:2441    181:3733    182:3419    183:2052    184:2287    185:20843  
 186:5182    187:4742    188:4278    189:4300    190:9653    191:1966   
 192:11075   193:9048    194:7571    195:5484    196:3652    197:2925   
 198:6071    199:6880    200:8502    201:6390    202:10954   203:10512  
 204:4660    205:3708    206:4528    207:3564    208:4154    209:5003   
 210:4724    211:2602    212:4351    213:3532    214:1118    215:49     
 216:6904    217:3030    218:1348    219:614     220:2033    221:1025   
 222:882     223:2228   

End of report


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