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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Feb 14 21:40:03 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Fri 14 Feb, 2025

  IPv4 BGP Table (Global) as seen at USP.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/USP/

Analysis Summary
----------------

BGP routing table entries examined:                              973784
    Prefixes after maximum aggregation (per Origin AS):          372462
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      474667
    Number of IPv4 prefixes with a valid ROA:                    531529
    Number of IPv4 prefixes with an invalid ROA:                    167
    Number of IPv4 prefixes with no ROA:                         442088
Total ASes present in the Internet Routing Table:                 76583
    Prefixes per ASN:                                             12.72
Origin-only ASes present in the Internet Routing Table:           65660
Origin ASes announcing only one prefix:                           26887
Transit ASes present in the Internet Routing Table:               10923
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:            330
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1176
    Number of instances of unregistered ASNs:                      1195
Number of 32-bit ASNs allocated by the RIRs:                      46132
Number of 32-bit ASNs visible in the Routing Table:               37775
Prefixes from 32-bit ASNs in the Routing Table:                  198937
Number of bogon 32-bit ASNs visible in the Routing Table:            57
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            488
Number of addresses announced to Internet:                   3110712576
    Equivalent to 185 /8s, 105 /16s and 181 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      318867

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

Prefixes being announced by APNIC Region ASes:                   255293
    Total APNIC prefixes after maximum aggregation:               76283
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247030
    Unique aggregates announced from the APNIC address blocks:   102685
APNIC Region origin ASes present in the Internet Routing Table:   14475
    APNIC Prefixes per ASN:                                       17.07
APNIC Region origin ASes announcing only one prefix:               4435
APNIC Region transit ASes present in the Internet Routing Table:   1931
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9984
Number of APNIC addresses announced to Internet:              752343808
    Equivalent to 44 /8s, 215 /16s and 219 /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, 131072-155961
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:                    286814
    Total ARIN prefixes after maximum aggregation:               127346
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288490
    Unique aggregates announced from the ARIN address blocks:    135306
ARIN Region origin ASes present in the Internet Routing Table:    19215
    ARIN Prefixes per ASN:                                        15.01
ARIN Region origin ASes announcing only one prefix:                7033
ARIN Region transit ASes present in the Internet Routing Table:    1986
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5147
Number of ARIN addresses announced to Internet:              1343407872
    Equivalent to 80 /8s, 18 /16s and 199 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-402332
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    272154
    Total RIPE prefixes after maximum aggregation:               132157
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           269359
    Unique aggregates announced from the RIPE address blocks:    172064
RIPE Region origin ASes present in the Internet Routing Table:    28832
    RIPE Prefixes per ASN:                                         9.34
RIPE Region origin ASes announcing only one prefix:               12044
RIPE Region transit ASes present in the Internet Routing Table:    3965
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12252
Number of RIPE addresses announced to Internet:               732513536
    Equivalent to 43 /8s, 169 /16s and 69 /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,
                        53/8,  57/8,  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:                  123699
    Total LACNIC prefixes after maximum aggregation:              29118
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         121032
    Unique aggregates announced from the LACNIC address blocks:   48973
LACNIC Region origin ASes present in the Internet Routing Table:  11197
    LACNIC Prefixes per ASN:                                      10.81
LACNIC Region origin ASes announcing only one prefix:              2682
LACNIC Region transit ASes present in the Internet Routing Table:  2480
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9135
Number of LACNIC addresses announced to Internet:             177881856
    Equivalent to 10 /8s, 154 /16s and 67 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  34648
    Total AfriNIC prefixes after maximum aggregation:              6808
    AfriNIC Deaggregation factor:                                  5.09
Prefixes being announced from the AfriNIC address blocks:         47384
    Unique aggregates announced from the AfriNIC address blocks:  15226
AfriNIC Region origin ASes present in the Internet Routing Table:  1898
    AfriNIC Prefixes per ASN:                                     24.97
AfriNIC Region origin ASes announcing only one prefix:              693
AfriNIC Region transit ASes present in the Internet Routing Table:  369
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1257
Number of AfriNIC addresses announced to Internet:            104303872
    Equivalent to 6 /8s, 55 /16s and 141 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4217        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3249       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2834        851     534  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2163        434     190  TATACOMM-AS TATA Communications formerly 

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12727      38949    3724  AMAZON-02, US
 11492        4702        312     561  CABLEONE, US
  7155        4170        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3587       3054     219  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3574       8760     901  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3025       1301    2197  AKAMAI-AS, US
396982        2923       3659     446  GOOGLE-CLOUD-PLATFORM, US
 30036        2599        363     254  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7761       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4003       3395     130  AKAMAI-ASN1, NL
  9009        3735        322    1921  M247, RO
 12389        2991       2303     893  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2009        145    1486  CDNEXT, GB
  8452        1615       1852      14  TE-AS TE-AS, EG
 13188        1607        100      26  TRIOLAN, UA
 62240        1488         98     748  CLOUVIDER Clouvider - Global ASN, GB

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11745       3229     595  UNINET, MX
 10620        3543        492     950  Telmex Colombia S.A., CO
 13999        2514        539     365  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1348       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1158        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
  6147        1112        371      22  Telefonica del Peru S.A.A., PE
 22884        1074         98     371  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1684        601      30  RAYA-AS, EG
 24863        1646        389      16  LINKdotNET-AS, EG
 29571        1544         97     101  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1002        521      42  Vodafone-, EG
 20011         978        180     282  INTERNET-SOLUTIONS, ZA
 37069         843       1083      15  MOBINIL, EG
  6713         556       1861      35  IAM-AS, MA
 15399         517         56      57  WANANCHI-, KE

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12727      38949    3724  AMAZON-02, US
  8151       11745       3229     595  UNINET, MX
  9808       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7761       1714     145  UNI2-AS, ES
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4702        312     561  CABLEONE, US
 18403        4217        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4170        286      83  VIASAT-SP-BACKBONE, US

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       11745        11150  UNINET, MX
  9808       10335        10247  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7761         7616  UNI2-AS, ES
  7545        6211         5547  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4217         4192  FPT-AS-AP FPT Telecom Company, VN
 11492        4702         4141  CABLEONE, US
  7155        4170         4087  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917         3892  VIETEL-AS-AP Viettel Group, VN

Complete listing at https://bgp.nsrc.org/REN/USP/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, 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/USP/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/USP/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.134.124.0/24      Origin:     19468  VALEX, US
23.134.124.0/24     Transit:     29802  HVC-AS, US
23.134.164.0/24      Origin:    399291  FIBERNETPR-ASN, PR
23.134.164.0/24     Transit:     21559  OSNET, PR
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/USP/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       /9:16      /10:42      /11:93      /12:307     
/13:586     /14:1224    /15:2164    /16:13932   /17:8269    /18:13704   
/19:24549   /20:43860   /21:51992   /22:112208  /23:100921  /24:599900  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6718        7761  UNI2-AS, ES
  8151        5950       11745  UNINET, MX
 11492        3556        4702  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3119        4170  VIASAT-SP-BACKBONE, US
 22773        2708        3587  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2270       12727  AMAZON-02, US
 30036        2257        2599  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2183        3543  Telmex Colombia S.A., CO

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

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

   1:2295      2:1520      3:570       4:10        5:4517      6:165    
   7:6         8:1553      9:1        11:172      12:1383     13:347    
  14:2503     15:347      16:270      17:360      18:917      20:450    
  21:4        22:188      23:7326     24:2733     25:2        27:2742   
  29:19       31:3138     32:37       34:78       35:200      36:2408   
  37:4604     38:8553     39:895      40:153      41:4015     42:1913   
  43:2537     44:349      45:18228    46:4989     47:291      49:1970   
  50:1881     51:589      52:1570     54:300      55:1048     56:9      
  57:242      58:2223     59:1173     60:1166     61:2785     62:2938   
  63:1825     64:5498     65:2143     66:4644     67:3027     68:1138   
  69:3983     70:1164     71:615      72:2862     74:2786     75:1641   
  76:611      77:2627     78:1872     79:1711     80:2209     81:2032   
  82:2463     83:1410     84:1791     85:3341     86:1021     87:2160   
  88:1310     89:4345     90:759      91:8312     92:2811     93:2852   
  94:3911     95:4219     96:1345     97:308      98:1004     99:738    
 100:71      101:1132    102:3670    103:32243   104:4657    105:816    
 106:992     107:2634    108:1196    109:4080    110:2220    111:3359   
 112:2043    113:1777    114:1936    115:2212    116:2042    117:2743   
 118:2839    119:1937    120:1870    121:1357    122:2751    123:2178   
 124:1564    125:2869    126:94      128:1599    129:960     130:1279   
 131:1849    132:789     133:450     134:1528    135:325     136:1329   
 137:1283    138:2904    139:1596    140:1553    141:1482    142:1826   
 143:1595    144:1052    145:468     146:2149    147:2066    148:2600   
 149:2833    150:1211    151:1671    152:2114    153:571     154:7777   
 155:1593    156:3427    157:1888    158:1247    159:2425    160:3554   
 161:1941    162:3690    163:1810    164:1663    165:2174    166:1358   
 167:1881    168:4080    169:794     170:5081    171:1005    172:4284   
 173:3244    174:923     175:1269    176:3601    177:4755    178:3757   
 179:2245    180:2560    181:3990    182:3372    183:2028    184:2272   
 185:21463   186:5099    187:4295    188:4218    189:4167    190:9616   
 191:1526    192:11187   193:9381    194:7738    195:5464    196:3201   
 197:3558    198:6166    199:8331    200:8155    201:6293    202:10391  
 203:10635   204:4555    205:3670    206:4626    207:3555    208:4187   
 209:5167    210:4567    211:2529    212:4521    213:3741    214:1053   
 215:42      216:6578    217:3109    218:1336    219:372     220:2104   
 221:1056    222:717     223:2309   

End of report


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