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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Aug 23 22:41:26 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Wed 23 Aug, 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:                              983022
    Prefixes after maximum aggregation (per Origin AS):          359260
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      453392
Total ASes present in the Internet Routing Table:                 75080
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64624
Origin ASes announcing only one prefix:                           25834
Transit ASes present in the Internet Routing Table:               10456
Transit-only ASes present in the Internet Routing Table:            444
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:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1266
    Number of instances of unregistered ASNs:                      1268
Number of 32-bit ASNs allocated by the RIRs:                      42484
Number of 32-bit ASNs visible in the Routing Table:               35175
Prefixes from 32-bit ASNs in the Routing Table:                  183746
Number of bogon 32-bit ASNs visible in the Routing Table:           195
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            694
Number of addresses announced to Internet:                   3061508010
    Equivalent to 182 /8s, 122 /16s and 231 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      338009

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

Prefixes being announced by APNIC Region ASes:                   256274
    Total APNIC prefixes after maximum aggregation:               71254
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          249780
    Unique aggregates announced from the APNIC address blocks:    98838
APNIC Region origin ASes present in the Internet Routing Table:   13695
    APNIC Prefixes per ASN:                                       18.24
APNIC Region origin ASes announcing only one prefix:               3998
APNIC Region transit ASes present in the Internet Routing Table:   1831
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8990
Number of APNIC addresses announced to Internet:              774568032
    Equivalent to 46 /8s, 42 /16s and 248 /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:                    282302
    Total ARIN prefixes after maximum aggregation:               125790
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           283848
    Unique aggregates announced from the ARIN address blocks:    131325
ARIN Region origin ASes present in the Internet Routing Table:    19158
    ARIN Prefixes per ASN:                                        14.82
ARIN Region origin ASes announcing only one prefix:                6960
ARIN Region transit ASes present in the Internet Routing Table:    1858
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:    4836
Number of ARIN addresses announced to Internet:              1281345088
    Equivalent to 76 /8s, 95 /16s and 198 /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:                    280549
    Total RIPE prefixes after maximum aggregation:               126693
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           276402
    Unique aggregates announced from the RIPE address blocks:    160389
RIPE Region origin ASes present in the Internet Routing Table:    28529
    RIPE Prefixes per ASN:                                         9.69
RIPE Region origin ASes announcing only one prefix:               12004
RIPE Region transit ASes present in the Internet Routing Table:    3907
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11370
Number of RIPE addresses announced to Internet:               717470430
    Equivalent to 42 /8s, 195 /16s and 186 /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:                  128346
    Total LACNIC prefixes after maximum aggregation:              28764
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127706
    Unique aggregates announced from the LACNIC address blocks:   49665
LACNIC Region origin ASes present in the Internet Routing Table:  11036
    LACNIC Prefixes per ASN:                                      11.57
LACNIC Region origin ASes announcing only one prefix:              2290
LACNIC Region transit ASes present in the Internet Routing Table:  2347
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8845
Number of LACNIC addresses announced to Internet:             178754848
    Equivalent to 10 /8s, 167 /16s and 149 /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:                  34285
    Total AfriNIC prefixes after maximum aggregation:              5971
    AfriNIC Deaggregation factor:                                  5.74
Prefixes being announced from the AfriNIC address blocks:         44591
    Unique aggregates announced from the AfriNIC address blocks:  12577
AfriNIC Region origin ASes present in the Internet Routing Table:  1793
    AfriNIC Prefixes per ASN:                                     24.87
AfriNIC Region origin ASes announcing only one prefix:              582
AfriNIC Region transit ASes present in the Internet Routing Table:  338
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       41
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1134
Number of AfriNIC addresses announced to Internet:            108859392
    Equivalent to 6 /8s, 125 /16s and 16 /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        9545       8731      45  CHINAMOBILE-CN China Mobile Communicati
  7545        5719        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4980       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4352        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4049       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3733       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3110        498     253  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2497        847     403  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2313      11270     588  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        8909      10945    3194  AMAZON-02, US
 11492        4529        300     624  CABLEONE, US
  7155        4195        289     102  VIASAT-SP-BACKBONE, US
 22773        3696       3064     323  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3634       6656     620  COGENT-174, US
  6327        3527       1319      66  SHAW, CA
 16625        3167       1533    2353  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        3010       3832    1428  DNIC-ASBLK-00306-00371, US
396982        2690       3596     388  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        8241       1135    3261  TTNET, TR
 12479        7357       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4169       3399     187  AKAMAI-ASN1, NL
  8551        3470        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3009       2298     926  ROSTELECOM-AS, RU
  9009        2713        250    1402  M247, RO
  5384        2506        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2462       1852      16  TE-AS TE-AS, EG
 34984        2380        366     587  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       11738       3360     606  UNINET, MX
 10620        3541        507     835  Telmex Colombia S.A., CO
 13999        2441        365     642  Mega Cable, S.A. de C.V., MX
 11830        1998        369      64  Instituto Costarricense de Electricidad
 28573        1316       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 11664        1117        181     437  Techtel LMDS Comunicaciones Interactiva
 28202        1116         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        1894        319      45  Telkom-Internet, ZA
 24863        1594        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1359       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         922        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         533         82       3  KENET-AS, KE
 15399         512         53      42  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       11738       3360     606  UNINET, MX
  9808        9545       8731      45  CHINAMOBILE-CN China Mobile Communicati
 16509        8909      10945    3194  AMAZON-02, US
 47331        8241       1135    3261  TTNET, TR
 12479        7357       1713     145  UNI2-AS, ES
  7545        5719        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4980       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4529        300     624  CABLEONE, US
 18403        4352        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        9545         9500  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7357         7212  UNI2-AS, ES
 16509        8909         5715  AMAZON-02, US
  7545        5719         5030  TPG-INTERNET-AP TPG Telecom Limited, AU
 47331        8241         4980  TTNET, TR
  4538        4980         4904  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4352         4327  FPT-AS-AP FPT Telecom Company, VN
  7155        4195         4093  VIASAT-SP-BACKBONE, US
 45899        4049         3996  VNPT-AS-VN VNPT Corp, VN

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, 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
    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
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            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

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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW

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      /10:39      /11:102     /12:300     
/13:579     /14:1212    /15:2156    /16:13725   /17:8578    /18:14810   
/19:25834   /20:46113   /21:54780   /22:114686  /23:107842  /24:589224  
/25:493     /26:619     /27:1038    /28:76      /29:101     /30:27      
/31:24      /32:633     

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

   ASN  No of nets  Total ann.  Description
 47331        7380        8241  TTNET, TR
 12479        6442        7357  UNI2-AS, ES
  8151        5745       11738  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3438        4529  CABLEONE, US
  6327        3337        3527  SHAW, CA
  7155        3140        4195  VIASAT-SP-BACKBONE, US
  8551        2937        3470  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2728        3696  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2165        2509  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2289      2:1530      3:230       4:8         5:4814      6:138    
   7:6         8:1630      9:1        11:172      12:1518     13:376    
  14:2401     15:302      16:198      17:380      18:606      20:303    
  21:4        22:188      23:6493     24:3046     25:6        27:2646   
  29:19       31:2687     32:97       34:26       35:120      36:2005   
  37:4754     38:6278     39:872      40:148      41:4872     42:2106   
  43:2431     44:329      45:17574    46:4509     47:393      49:1816   
  50:1908     51:595      52:1634     54:395      55:979      56:8      
  57:131      58:1965     59:1193     60:1003     61:2690     62:2851   
  63:1968     64:5790     65:2403     66:5143     67:3091     68:1348   
  69:4141     70:1413     71:700      72:3080     74:2690     75:1617   
  76:622      77:2599     78:3919     79:3029     80:2188     81:2075   
  82:1583     83:1356     84:1559     85:3822     86:872      87:2267   
  88:2819     89:3934     90:621      91:8017     92:2168     93:2653   
  94:3733     95:5081     96:1343     97:324      98:1131     99:736    
 100:123     101:1362    102:3392    103:32805   104:4636    105:2008   
 106:960     107:2617    108:1146    109:4366    110:2187    111:3183   
 112:2146    113:1813    114:1671    115:2130    116:1965    117:2598   
 118:2755    119:2090    120:1843    121:1195    122:2748    123:2236   
 124:1655    125:2565    128:1557    129:1140    130:1085    131:2082   
 132:962     133:420     134:1800    135:354     136:921     137:991    
 138:2854    139:1627    140:1271    141:1325    142:1512    143:1593   
 144:1019    145:343     146:2010    147:1635    148:2495    149:2213   
 150:914     151:1240    152:1999    153:588     154:5096    155:1409   
 156:1985    157:1357    158:1094    159:2251    160:2715    161:1625   
 162:3583    163:1663    164:1772    165:1918    166:1056    167:1759   
 168:4077    169:961     170:4892    171:925     172:3695    173:3017   
 174:1005    175:1234    176:3956    177:5557    178:3591    179:2452   
 180:2611    181:3578    182:3450    183:2034    184:2333    185:20962  
 186:5085    187:4567    188:4360    189:4078    190:9487    191:1864   
 192:11055   193:9042    194:7566    195:5479    196:3710    197:3109   
 198:6092    199:6134    200:8216    201:6261    202:11052   203:10634  
 204:4621    205:3732    206:4415    207:3547    208:4220    209:5014   
 210:4720    211:2618    212:4397    213:3751    214:1098    215:60     
 216:6912    217:3041    218:1327    219:619     220:2045    221:981    
 222:853     223:2196   

End of report


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