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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Oct 5 22:41:43 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 05 Oct, 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:                              983504
    Prefixes after maximum aggregation (per Origin AS):          360600
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      453394
Total ASes present in the Internet Routing Table:                 75165
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           64468
Origin ASes announcing only one prefix:                           25935
Transit ASes present in the Internet Routing Table:               10697
Transit-only ASes present in the Internet Routing Table:            481
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                     107
    Max AS path prepend of ASN ( 37447)                             103
Prefixes from unregistered ASNs in the Routing Table:              1229
    Number of instances of unregistered ASNs:                      1231
Number of 32-bit ASNs allocated by the RIRs:                      42770
Number of 32-bit ASNs visible in the Routing Table:               35304
Prefixes from 32-bit ASNs in the Routing Table:                  183496
Number of bogon 32-bit ASNs visible in the Routing Table:           225
Special use prefixes present in the Routing Table:                   38
Prefixes being announced from unallocated address space:            620
Number of addresses announced to Internet:                   3055376734
    Equivalent to 182 /8s, 29 /16s and 89 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    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:      338025

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

Prefixes being announced by APNIC Region ASes:                   258003
    Total APNIC prefixes after maximum aggregation:               72549
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251363
    Unique aggregates announced from the APNIC address blocks:    98765
APNIC Region origin ASes present in the Internet Routing Table:   13768
    APNIC Prefixes per ASN:                                       18.26
APNIC Region origin ASes announcing only one prefix:               4068
APNIC Region transit ASes present in the Internet Routing Table:   1852
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9049
Number of APNIC addresses announced to Internet:              773999264
    Equivalent to 46 /8s, 34 /16s and 74 /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:                    281892
    Total ARIN prefixes after maximum aggregation:               125453
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285158
    Unique aggregates announced from the ARIN address blocks:    131905
ARIN Region origin ASes present in the Internet Routing Table:    19137
    ARIN Prefixes per ASN:                                        14.90
ARIN Region origin ASes announcing only one prefix:                6951
ARIN Region transit ASes present in the Internet Routing Table:    1927
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:    4842
Number of ARIN addresses announced to Internet:              1278180416
    Equivalent to 76 /8s, 47 /16s and 124 /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:                    280959
    Total RIPE prefixes after maximum aggregation:               127187
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275086
    Unique aggregates announced from the RIPE address blocks:    160205
RIPE Region origin ASes present in the Internet Routing Table:    28509
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12027
RIPE Region transit ASes present in the Internet Routing Table:    3989
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11401
Number of RIPE addresses announced to Internet:               716364510
    Equivalent to 42 /8s, 178 /16s and 218 /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:                  127624
    Total LACNIC prefixes after maximum aggregation:              28636
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         126910
    Unique aggregates announced from the LACNIC address blocks:   49330
LACNIC Region origin ASes present in the Internet Routing Table:  11053
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2300
LACNIC Region transit ASes present in the Internet Routing Table:  2377
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8865
Number of LACNIC addresses announced to Internet:             178577312
    Equivalent to 10 /8s, 164 /16s and 223 /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:                  33797
    Total AfriNIC prefixes after maximum aggregation:              6006
    AfriNIC Deaggregation factor:                                  5.63
Prefixes being announced from the AfriNIC address blocks:         44366
    Unique aggregates announced from the AfriNIC address blocks:  12667
AfriNIC Region origin ASes present in the Internet Routing Table:  1806
    AfriNIC Prefixes per ASN:                                     24.57
AfriNIC Region origin ASes announcing only one prefix:              589
AfriNIC Region transit ASes present in the Internet Routing Table:  340
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                      107
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1147
Number of AfriNIC addresses announced to Internet:            107804416
    Equivalent to 6 /8s, 108 /16s and 247 /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        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5735        785     699  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4248        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4031       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3739       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3594       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3199        498     255  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2740      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2532        850     381  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        9084      10987    3285  AMAZON-02, US
 11492        4538        301     672  CABLEONE, US
  7155        4181        289     101  VIASAT-SP-BACKBONE, US
   174        3823       6667     638  COGENT-174, US
 22773        3641       3061     304  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3546       1319      66  SHAW, CA
   749        3163      54958    2415  DNIC-AS-00749, US
 16625        3079       1435    2326  AKAMAI-AS, US
   367        3019       3847    1418  DNIC-ASBLK-00306-00371, US
396982        2699       3597     394  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        8595       1174    2971  TTNET, TR
 12479        7385       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4148       3399     181  AKAMAI-ASN1, NL
  8551        3448        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3040        273    1504  M247, RO
 12389        3004       2295     920  ROSTELECOM-AS, RU
  8452        2532       1852      16  TE-AS TE-AS, EG
  5384        2462        585      28  EMIRATES-INTERNET Emirates Internet, AE
 34984        2378        365     586  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       11905       3381     609  UNINET, MX
 10620        3534        504     858  Telmex Colombia S.A., CO
 13999        2399        331     627  Mega Cable, S.A. de C.V., MX
 11830        1990        369      64  Instituto Costarricense de Electricidad
 28573        1332       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
  3816        1297        766     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 28202        1090         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1076        169     427  Techtel LMDS Comunicaciones Interactiva

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        1885        319      45  Telkom-Internet, ZA
 24863        1607        393      19  LINKdotNET-AS, EG
 24835        1535        549      28  RAYA-AS, EG
 36992        1326       1516     283  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1045         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 15399         541         55      53  WANANCHI-, KE
 36914         540         82       3  KENET-AS, 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       11905       3381     609  UNINET, MX
  9808        9614       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9084      10987    3285  AMAZON-02, US
 47331        8595       1174    2971  TTNET, TR
 12479        7385       1713     145  UNI2-AS, ES
  7545        5735        785     699  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4538        301     672  CABLEONE, US
 18403        4248        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        9614         9515  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7385         7240  UNI2-AS, ES
 16509        9084         5799  AMAZON-02, US
 47331        8595         5624  TTNET, TR
  7545        5735         5036  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018         4943  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4248         4223  FPT-AS-AP FPT Telecom Company, VN
  7155        4181         4080  VIASAT-SP-BACKBONE, US
 45899        4031         3980  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:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, 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
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

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      /11:101     /12:300     
/13:581     /14:1211    /15:2148    /16:13683   /17:8567    /18:14785   
/19:25819   /20:45860   /21:54599   /22:114427  /23:107182  /24:589258  
/25:1136    /26:1087    /27:1478    /28:158     /29:236     /30:76      
/31:70      /32:673     

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

   ASN  No of nets  Total ann.  Description
 47331        7714        8595  TTNET, TR
 12479        6471        7385  UNI2-AS, ES
  8151        5910       11905  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3450        4538  CABLEONE, US
  6327        3356        3546  SHAW, CA
  7155        3126        4181  VIASAT-SP-BACKBONE, US
  8551        2924        3448  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2688        3641  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2155        2498  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2260      2:1583      3:266       4:8         5:4633      6:137    
   7:6         8:1612      9:1        11:172      12:1506     13:367    
  14:2419     15:305      16:198      17:374      18:657      20:312    
  21:4        22:188      23:6530     24:2934     25:2        27:2669   
  29:19       31:2693     32:94       34:26       35:119      36:2018   
  37:4657     38:6492     39:878      40:144      41:4804     42:2079   
  43:2409     44:327      45:17496    46:4482     47:380      49:1833   
  50:1912     51:584      52:1627     54:389      55:947      56:5      
  57:133      58:1943     59:1206     60:1009     61:2728     62:2821   
  63:1948     64:5870     65:2390     66:5168     67:3109     68:1367   
  69:4209     70:1397     71:683      72:3029     74:2665     75:1612   
  76:635      77:2438     78:4031     79:3026     80:2155     81:2079   
  82:1596     83:1376     84:1593     85:3950     86:871      87:2270   
  88:2909     89:3987     90:627      91:8002     92:2143     93:2652   
  94:3722     95:5152     96:1340     97:319      98:1124     99:732    
 100:123     101:1330    102:3263    103:32694   104:4780    105:2001   
 106:983     107:2743    108:1154    109:4321    110:2186    111:3179   
 112:2128    113:1814    114:1706    115:2151    116:1939    117:2570   
 118:2759    119:2066    120:1848    121:1240    122:2767    123:2278   
 124:1670    125:2603    128:1549    129:1014    130:1096    131:2082   
 132:971     133:408     134:1795    135:350     136:978     137:989    
 138:2829    139:1687    140:1304    141:1338    142:1549    143:1627   
 144:1010    145:351     146:1999    147:1625    148:2516    149:2346   
 150:900     151:1248    152:2009    153:594     154:5412    155:1404   
 156:2063    157:1377    158:1068    159:2212    160:2718    161:1626   
 162:3557    163:1678    164:1773    165:1921    166:1092    167:1762   
 168:4014    169:824     170:4921    171:945     172:3830    173:3009   
 174:993     175:1257    176:3928    177:5356    178:3585    179:2430   
 180:2606    181:3576    182:3398    183:2034    184:2289    185:20977  
 186:5063    187:4523    188:4347    189:4178    190:9518    191:1842   
 192:11044   193:9020    194:7532    195:5476    196:3648    197:2994   
 198:6086    199:6204    200:8276    201:6289    202:10955   203:10585  
 204:4617    205:3759    206:4479    207:3569    208:4198    209:4975   
 210:4734    211:2639    212:4410    213:3526    214:1112    215:71     
 216:6893    217:3028    218:1331    219:608     220:2041    221:985    
 222:855     223:2180   

End of report


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